57572222 has 16 divisors (see below), whose sum is σ = 89582112. Its totient is φ = 27727200.

The previous prime is 57572209. The next prime is 57572233. The reversal of 57572222 is 22227575.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3623 + ... + 11325.

It is an arithmetic number, because the mean of its divisors is an integer number (5598882).

Almost surely, 2^57572222 is an apocalyptic number.

57572222 is a deficient number, since it is larger than the sum of its proper divisors (32009890).

57572222 is a wasteful number, since it uses less digits than its factorization.

57572222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7843.

The product of its digits is 19600, while the sum is 32.

The square root of 57572222 is about 7587.6361272797. The cubic root of 57572222 is about 386.1336619984.

Adding to 57572222 its reverse (22227575), we get a palindrome (79799797).

The spelling of 57572222 in words is "fifty-seven million, five hundred seventy-two thousand, two hundred twenty-two".