22431090612 has 48 divisors (see below), whose sum is σ = 59825848320. Its totient is φ = 6407853792.

The previous prime is 22431090601. The next prime is 22431090613. The reversal of 22431090612 is 21609013422.

It is a self number, because there is not a number n which added to its sum of digits gives 22431090612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22431090613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617293 + ... + 652619.

It is an arithmetic number, because the mean of its divisors is an integer number (1246371840).

Almost surely, 2^22431090612 is an apocalyptic number.

It is an amenable number.

22431090612 is an abundant number, since it is smaller than the sum of its proper divisors (37394757708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22431090612 is a wasteful number, since it uses less digits than its factorization.

22431090612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42900 (or 42898 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 22431090612 in words is "twenty-two billion, four hundred thirty-one million, ninety thousand, six hundred twelve".