57915222 has 8 divisors (see below), whose sum is σ = 115830456. Its totient is φ = 19305072.

The previous prime is 57915157. The next prime is 57915229. The reversal of 57915222 is 22251975.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

57915222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57915229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4826263 + ... + 4826274.

It is an arithmetic number, because the mean of its divisors is an integer number (14478807).

Almost surely, 2^57915222 is an apocalyptic number.

57915222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57915222 is a wasteful number, since it uses less digits than its factorization.

57915222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9652542.

The product of its digits is 12600, while the sum is 33.

The square root of 57915222 is about 7610.2051220713. The cubic root of 57915222 is about 386.8989714181.

The spelling of 57915222 in words is "fifty-seven million, nine hundred fifteen thousand, two hundred twenty-two".