22312132432 has 40 divisors (see below), whose sum is σ = 44447905152. Its totient is φ = 10843718400.

The previous prime is 22312132397. The next prime is 22312132457. The reversal of 22312132432 is 23423121322.

It is a super-3 number, since 3×22312132432³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22312132397 and 22312132406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115023 + ... + 240529.

Almost surely, 2^22312132432 is an apocalyptic number.

It is an amenable number.

22312132432 is a deficient number, since it is larger than the sum of its proper divisors (22135772720).

22312132432 is a wasteful number, since it uses less digits than its factorization.

22312132432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125827 (or 125821 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

Adding to 22312132432 its reverse (23423121322), we get a palindrome (45735253754).

The spelling of 22312132432 in words is "twenty-two billion, three hundred twelve million, one hundred thirty-two thousand, four hundred thirty-two".