57222774 has 40 divisors (see below), whose sum is σ = 146541648. Its totient is φ = 16349040.

The previous prime is 57222769. The next prime is 57222791. The reversal of 57222774 is 47722275.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24097 + ... + 26364.

Almost surely, 2^57222774 is an apocalyptic number.

57222774 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

57222774 is an abundant number, since it is smaller than the sum of its proper divisors (89318874).

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

57222774 is a wasteful number, since it uses less digits than its factorization.

57222774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50482 (or 50473 counting only the distinct ones).

The product of its digits is 54880, while the sum is 36.

The square root of 57222774 is about 7564.5736165365. The cubic root of 57222774 is about 385.3508332935.

The spelling of 57222774 in words is "fifty-seven million, two hundred twenty-two thousand, seven hundred seventy-four".