1222722

Names of 1222722

• Cardinal: 1222722 can be written as One million, two hundred twenty-two thousand, seven hundred twenty-two.

Scientific notation

• Scientific notation: 1.222722 × 10⁶

Factors of 1222722

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 22648

Divisors of 1222722

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 9 18 27 54 22643 45286 67929 135858 203787 407574 611361 1222722
• Sum of all divisors σ(n): 2717280
• Sum of proper divisors (its aliquot sum) s(n): 1494558
• 1222722 is an abundant number, because the sum of its proper divisors (1494558) is greater than itself. Its abundance is 271836

Bases of 1222722

• Binary: 100101010100001000010₂
• Hexadecimal: 0x12A842
• Base-36: Q7GI

Squares and roots of 1222722

• 1222722 squared (1222722²) is 1495049089284
• 1222722 cubed (1222722³) is 1828029412547511048
• The square root of 1222722 is 1105.7676066877
• The cube root of 1222722 is 106.9323822355

Scales and comparisons

• 1,222,722 seconds is equal to 2 weeks, 3 hours, 38 minutes, 42 seconds.
• To count from 1 to 1,222,722 would take you about three weeks!

  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 1222722 cubic inches would be around 8.9 feet tall.

Recreational maths with 1222722

• 1222722 backwards is 2272221
• 1222722 is a Harshad number.
• The number of decimal digits it has is: 7
• The sum of 1222722's digits is 18
• More coming soon!