57374228 has 6 divisors (see below), whose sum is σ = 100404906. Its totient is φ = 28687112.

The previous prime is 57374189. The next prime is 57374231. The reversal of 57374228 is 82247375.

It can be written as a sum of positive squares in only one way, i.e., 56731024 + 643204 = 7532^2 + 802^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57374191 and 57374200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7171775 + ... + 7171782.

It is an arithmetic number, because the mean of its divisors is an integer number (16734151).

Almost surely, 2^57374228 is an apocalyptic number.

It is an amenable number.

57374228 is a deficient number, since it is larger than the sum of its proper divisors (43030678).

57374228 is a wasteful number, since it uses less digits than its factorization.

57374228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14343561 (or 14343559 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 57374228 is about 7574.5777440066. The cubic root of 57374228 is about 385.6905087179.

The spelling of 57374228 in words is "fifty-seven million, three hundred seventy-four thousand, two hundred twenty-eight".