22542920291 has 16 divisors (see below), whose sum is σ = 24735110400. Its totient is φ = 20462551200.

The previous prime is 22542920273. The next prime is 22542920321. The reversal of 22542920291 is 19202924522.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22542920291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22542925291) 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, 83975 + ... + 228336.

It is an arithmetic number, because the mean of its divisors is an integer number (1545944400).

Almost surely, 2^22542920291 is an apocalyptic number.

22542920291 is a deficient number, since it is larger than the sum of its proper divisors (2192190109).

22542920291 is a wasteful number, since it uses less digits than its factorization.

22542920291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312490.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 22542920291 in words is "twenty-two billion, five hundred forty-two million, nine hundred twenty thousand, two hundred ninety-one".