57219224 has 16 divisors (see below), whose sum is σ = 109311120. Its totient is φ = 28069600.

The previous prime is 57219181. The next prime is 57219247. The reversal of 57219224 is 42291275.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67052 + ... + 67899.

It is an arithmetic number, because the mean of its divisors is an integer number (6831945).

Almost surely, 2^57219224 is an apocalyptic number.

It is an amenable number.

57219224 is a deficient number, since it is larger than the sum of its proper divisors (52091896).

57219224 is a wasteful number, since it uses less digits than its factorization.

57219224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135010 (or 135006 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 57219224 is about 7564.3389664927. The cubic root of 57219224 is about 385.3428643000.

The spelling of 57219224 in words is "fifty-seven million, two hundred nineteen thousand, two hundred twenty-four".