22917594042 has 48 divisors (see below), whose sum is σ = 56784940992. Its totient is φ = 6543659520.

The previous prime is 22917594031. The next prime is 22917594047. The reversal of 22917594042 is 24049571922.

22917594042 is a `hidden beast` number, since 2 + 2 + 9 + 17 + 594 + 0 + 42 = 666.

It is a super-2 number, since 2×22917594042² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22917594047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140058 + ... + 255834.

It is an arithmetic number, because the mean of its divisors is an integer number (1183019604).

Almost surely, 2^22917594042 is an apocalyptic number.

22917594042 is an abundant number, since it is smaller than the sum of its proper divisors (33867346950).

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

22917594042 is a wasteful number, since it uses less digits than its factorization.

22917594042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117363 (or 117360 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 22917594042 in words is "twenty-two billion, nine hundred seventeen million, five hundred ninety-four thousand, forty-two".