22132232432 has 20 divisors (see below), whose sum is σ = 43260683520. Its totient is φ = 10968185088.

The previous prime is 22132232401. The next prime is 22132232489. The reversal of 22132232432 is 23423223122.

It is a happy number.

It is a congruent number.

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, 6118832 + ... + 6122447.

It is an arithmetic number, because the mean of its divisors is an integer number (2163034176).

Almost surely, 2^22132232432 is an apocalyptic number.

It is an amenable number.

22132232432 is a deficient number, since it is larger than the sum of its proper divisors (21128451088).

22132232432 is a wasteful number, since it uses less digits than its factorization.

22132232432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12241400 (or 12241394 counting only the distinct ones).

The product of its digits is 6912, while the sum is 26.

Adding to 22132232432 its reverse (23423223122), we get a palindrome (45555455554).

The spelling of 22132232432 in words is "twenty-two billion, one hundred thirty-two million, two hundred thirty-two thousand, four hundred thirty-two".