57122284 has 12 divisors (see below), whose sum is σ = 105225400. Its totient is φ = 27057888.

The previous prime is 57122251. The next prime is 57122297. The reversal of 57122284 is 48222175.

It is a happy number.

It is an unprimeable number.

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, 375729 + ... + 375880.

Almost surely, 2^57122284 is an apocalyptic number.

It is an amenable number.

57122284 is a deficient number, since it is larger than the sum of its proper divisors (48103116).

57122284 is a wasteful number, since it uses less digits than its factorization.

57122284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751632 (or 751630 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 57122284 is about 7557.9285521894. The cubic root of 57122284 is about 385.1251271478.

The spelling of 57122284 in words is "fifty-seven million, one hundred twenty-two thousand, two hundred eighty-four".