# 22221

## 22,221 is an odd composite number composed of two prime numbers multiplied together.

What does the number 22221 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 8 divisors.

22221 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 22221:

### 33 × 823

(3 × 3 × 3 × 823)

See below for interesting mathematical facts about the number 22221 from the Numbermatics database.

### Names of 22221

• Cardinal: 22221 can be written as Twenty-two thousand, two hundred twenty-one.

### Scientific notation

• Scientific notation: 2.2221 × 104

### Factors of 22221

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 826

### Divisors of 22221

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 32960
• Sum of proper divisors (its aliquot sum) s(n): 10739
• 22221 is a deficient number, because the sum of its proper divisors (10739) is less than itself. Its deficiency is 11482

### Bases of 22221

• Binary: 1010110110011012
• Base-36: H59

### Squares and roots of 22221

• 22221 squared (222212) is 493772841
• 22221 cubed (222213) is 10972126299861
• The square root of 22221 is 149.0670989857
• The cube root of 22221 is 28.1139067363

### Scales and comparisons

How big is 22221?
• 22,221 seconds is equal to 6 hours, 10 minutes, 21 seconds.
• To count from 1 to 22,221 would take you about six hours.

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 22221 cubic inches would be around 2.3 feet tall.

### Recreational maths with 22221

• 22221 backwards is 12222
• 22221 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 22221's digits is 9
• More coming soon!