22431332032 has 28 divisors (see below), whose sum is σ = 46047080880. Its totient is φ = 10828918016.

The previous prime is 22431332009. The next prime is 22431332041. The reversal of 22431332032 is 23023313422.

It is a junction number, because it is equal to n+sod(n) for n = 22431331988 and 22431332006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6041068 + ... + 6044779.

Almost surely, 2^22431332032 is an apocalyptic number.

It is an amenable number.

22431332032 is an abundant number, since it is smaller than the sum of its proper divisors (23615748848).

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

22431332032 is a wasteful number, since it uses less digits than its factorization.

22431332032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12085888 (or 12085878 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 22431332032 its reverse (23023313422), we get a palindrome (45454645454).

The spelling of 22431332032 in words is "twenty-two billion, four hundred thirty-one million, three hundred thirty-two thousand, thirty-two".