18572797922 has 16 divisors (see below), whose sum is σ = 31852466880. Its totient is φ = 7956424368.

The previous prime is 18572797877. The next prime is 18572797927. The reversal of 18572797922 is 22979727581.

It is not an unprimeable number, because it can be changed into a prime (18572797927) 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, 244208 + ... + 311099.

It is an arithmetic number, because the mean of its divisors is an integer number (1990779180).

Almost surely, 2^18572797922 is an apocalyptic number.

18572797922 is a deficient number, since it is larger than the sum of its proper divisors (13279668958).

18572797922 is a wasteful number, since it uses less digits than its factorization.

18572797922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557705.

The product of its digits is 8890560, while the sum is 59.

The spelling of 18572797922 in words is "eighteen billion, five hundred seventy-two million, seven hundred ninety-seven thousand, nine hundred twenty-two".