22930372431 has 8 divisors (see below), whose sum is σ = 33970922160. Its totient is φ = 15286914936.

The previous prime is 22930372427. The next prime is 22930372573. The reversal of 22930372431 is 13427303922.

22930372431 is a `hidden beast` number, since 229 + 30 + 372 + 4 + 31 = 666.

It is not a de Polignac number, because 22930372431 - 2² = 22930372427 is a prime.

It is a super-2 number, since 2×22930372431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22930372331) 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, 424636500 + ... + 424636553.

It is an arithmetic number, because the mean of its divisors is an integer number (4246365270).

Almost surely, 2^22930372431 is an apocalyptic number.

22930372431 is a deficient number, since it is larger than the sum of its proper divisors (11040549729).

22930372431 is an equidigital number, since it uses as much as digits as its factorization.

22930372431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849273062 (or 849273056 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The spelling of 22930372431 in words is "twenty-two billion, nine hundred thirty million, three hundred seventy-two thousand, four hundred thirty-one".