22565852472 has 64 divisors (see below), whose sum is σ = 56655434880. Its totient is φ = 7489913472.

The previous prime is 22565852471. The next prime is 22565852489. The reversal of 22565852472 is 27425856522.

It is a super-3 number, since 3×22565852472³ (a number of 32 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22565852471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7043623 + ... + 7046825.

It is an arithmetic number, because the mean of its divisors is an integer number (885241170).

Almost surely, 2^22565852472 is an apocalyptic number.

It is an amenable number.

22565852472 is an abundant number, since it is smaller than the sum of its proper divisors (34089582408).

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

22565852472 is a wasteful number, since it uses less digits than its factorization.

22565852472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4372 (or 4368 counting only the distinct ones).

The product of its digits is 2688000, while the sum is 48.

The spelling of 22565852472 in words is "twenty-two billion, five hundred sixty-five million, eight hundred fifty-two thousand, four hundred seventy-two".