22547972232 has 24 divisors (see below), whose sum is σ = 61067424990. Its totient is φ = 7515990720.

The previous prime is 22547972203. The next prime is 22547972261. The reversal of 22547972232 is 23227974522.

22547972232 is a `hidden beast` number, since 2 + 2 + 547 + 9 + 72 + 2 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (22547972203) and next prime (22547972261).

It can be written as a sum of positive squares in only one way, i.e., 22193252676 + 354719556 = 148974^2 + 18834^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×22547972232² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156583069 + ... + 156583212.

Almost surely, 2^22547972232 is an apocalyptic number.

It is an amenable number.

22547972232 is an abundant number, since it is smaller than the sum of its proper divisors (38519452758).

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

22547972232 is a wasteful number, since it uses less digits than its factorization.

22547972232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313166293 (or 313166286 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The spelling of 22547972232 in words is "twenty-two billion, five hundred forty-seven million, nine hundred seventy-two thousand, two hundred thirty-two".