22133031232 has 28 divisors (see below), whose sum is σ = 47298715156. Its totient is φ = 10215244800.

The previous prime is 22133031209. The next prime is 22133031269. The reversal of 22133031232 is 23213033122.

It can be written as a sum of positive squares in 2 ways, for example, as 14107738176 + 8025293056 = 118776^2 + 89584^2 .

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, 13300269 + ... + 13301932.

It is an arithmetic number, because the mean of its divisors is an integer number (1689239827).

Almost surely, 2^22133031232 is an apocalyptic number.

It is an amenable number.

22133031232 is an abundant number, since it is smaller than the sum of its proper divisors (25165683924).

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

22133031232 is a wasteful number, since it uses less digits than its factorization.

22133031232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26602226 (or 26602216 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 22133031232 its reverse (23213033122), we get a palindrome (45346064354).

The spelling of 22133031232 in words is "twenty-two billion, one hundred thirty-three million, thirty-one thousand, two hundred thirty-two".