The Natural Number 22

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Properties of the Number 22

  • Because 22 is divisible by 2 ...
    • 22 is an even number
    • 22 has parity 0
    • 22 is not an odd number
  • Because 22 can be factored as 2 x 11 ...
    • 22 is a composite number
    • 22 is not a prime number

Alternative Representations of the Number 22

  • Base 2 (binary): 10110
  • Base 8 (octal): 26
  • Base 16 (hexadecimal): 16
  • Roman numeral: XXII
  • Words: twenty-two

Divisors of the Number 22

  • 22 has 4 positive divisors: 1, 2, 11, 22
    • The sum of the positive divisors is 36
  • 22 has 3 proper divisors: 1, 2, 11
    • The sum of the proper divisors is 14
  • 22 is a deficient number since the sum of the proper divisors is less than 22
  • 22 is not a perfect number
  • 22 is not an abundant number

More Properties of the Number 22

  • 22 is not a square number
  • 22 is not a cube number
  • 22 is a palindromic number (i.e., the digits are the same forwards and backwards)
  • 22 is not a Fibonacci number
  • 22 is not a Lucas number

11:27 pm, Saturday, April 29, 2017 (UTC; +0000)
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