57222585 has 64 divisors (see below), whose sum is σ = 122419200. Its totient is φ = 24774336.

The previous prime is 57222569. The next prime is 57222587. The reversal of 57222585 is 58522275.

57222585 is a `hidden beast` number, since 5 + 72 + 2 + 2 + 585 = 666.

It is not a de Polignac number, because 57222585 - 2⁴ = 57222569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57222587) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16362 + ... + 19548.

It is an arithmetic number, because the mean of its divisors is an integer number (1912800).

Almost surely, 2^57222585 is an apocalyptic number.

It is an amenable number.

57222585 is an abundant number, since it is smaller than the sum of its proper divisors (65196615).

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

57222585 is a wasteful number, since it uses less digits than its factorization.

57222585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227 (or 3221 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 57222585 is about 7564.5611240838. The cubic root of 57222585 is about 385.3504090371.

The spelling of 57222585 in words is "fifty-seven million, two hundred twenty-two thousand, five hundred eighty-five".