22331272956 has 24 divisors (see below), whose sum is σ = 52172534400. Its totient is φ = 7434296112.

The previous prime is 22331272937. The next prime is 22331272961. The reversal of 22331272956 is 65927213322.

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 7 ways as a sum of consecutive naturals, for example, 1172856 + ... + 1191743.

It is an arithmetic number, because the mean of its divisors is an integer number (2173855600).

Almost surely, 2^22331272956 is an apocalyptic number.

It is an amenable number.

22331272956 is an abundant number, since it is smaller than the sum of its proper divisors (29841261444).

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

22331272956 is a wasteful number, since it uses less digits than its factorization.

22331272956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365393 (or 2365391 counting only the distinct ones).

The product of its digits is 272160, while the sum is 42.

The spelling of 22331272956 in words is "twenty-two billion, three hundred thirty-one million, two hundred seventy-two thousand, nine hundred fifty-six".