22445560431 has 32 divisors (see below), whose sum is σ = 38019737600. Its totient is φ = 12820407840.

The previous prime is 22445560399. The next prime is 22445560433. The reversal of 22445560431 is 13406554422.

22445560431 is a `hidden beast` number, since 2 + 2 + 4 + 45 + 5 + 604 + 3 + 1 = 666.

It is not a de Polignac number, because 22445560431 - 2⁵ = 22445560399 is a prime.

It is a super-2 number, since 2×22445560431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22445560433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426666 + ... + 476376.

It is an arithmetic number, because the mean of its divisors is an integer number (1188116800).

Almost surely, 2^22445560431 is an apocalyptic number.

22445560431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22445560431 is a deficient number, since it is larger than the sum of its proper divisors (15574177169).

22445560431 is a wasteful number, since it uses less digits than its factorization.

22445560431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52116 (or 52110 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 22445560431 in words is "twenty-two billion, four hundred forty-five million, five hundred sixty thousand, four hundred thirty-one".