57257022 has 16 divisors (see below), whose sum is σ = 116455680. Its totient is φ = 18762072.

The previous prime is 57257017. The next prime is 57257023. The reversal of 57257022 is 22075275.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57257023) 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, 80518 + ... + 81225.

It is an arithmetic number, because the mean of its divisors is an integer number (7278480).

Almost surely, 2^57257022 is an apocalyptic number.

57257022 is an abundant number, since it is smaller than the sum of its proper divisors (59198658).

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

57257022 is a wasteful number, since it uses less digits than its factorization.

57257022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161807.

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 57257022 is about 7566.8369878041. The cubic root of 57257022 is about 385.4276958337.

The spelling of 57257022 in words is "fifty-seven million, two hundred fifty-seven thousand, twenty-two".