22565092812 has 24 divisors (see below), whose sum is σ = 52671553536. Its totient is φ = 7518887568.

The previous prime is 22565092717. The next prime is 22565092819. The reversal of 22565092812 is 21829056522.

It is a super-2 number, since 2×22565092812² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22565092819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317668 + ... + 382155.

It is an arithmetic number, because the mean of its divisors is an integer number (2194648064).

Almost surely, 2^22565092812 is an apocalyptic number.

It is an amenable number.

22565092812 is an abundant number, since it is smaller than the sum of its proper divisors (30106460724).

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

22565092812 is a wasteful number, since it uses less digits than its factorization.

22565092812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702517 (or 702515 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 22565092812 in words is "twenty-two billion, five hundred sixty-five million, ninety-two thousand, eight hundred twelve".