57422031 has 12 divisors (see below), whose sum is σ = 77676696. Its totient is φ = 37732240.

The previous prime is 57422021. The next prime is 57422033. The reversal of 57422031 is 13022475.

It is not a de Polignac number, because 57422031 - 2⁹ = 57421519 is a prime.

It is a super-2 number, since 2×57422031² = 6594579288329922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57421992 and 57422010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57422033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13225 + ... + 17021.

It is an arithmetic number, because the mean of its divisors is an integer number (6473058).

Almost surely, 2^57422031 is an apocalyptic number.

57422031 is a deficient number, since it is larger than the sum of its proper divisors (20254665).

57422031 is an equidigital number, since it uses as much as digits as its factorization.

57422031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942 (or 3871 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 57422031 is about 7577.7325764374. The cubic root of 57422031 is about 385.7975953891.

The spelling of 57422031 in words is "fifty-seven million, four hundred twenty-two thousand, thirty-one".