57227222 has 16 divisors (see below), whose sum is σ = 92806560. Its totient is φ = 26308992.

The previous prime is 57227201. The next prime is 57227239. The reversal of 57227222 is 22272275.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2654 + ... + 11022.

It is an arithmetic number, because the mean of its divisors is an integer number (5800410).

Almost surely, 2^57227222 is an apocalyptic number.

57227222 is a deficient number, since it is larger than the sum of its proper divisors (35579338).

57227222 is a wasteful number, since it uses less digits than its factorization.

57227222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8647.

The product of its digits is 7840, while the sum is 29.

The square root of 57227222 is about 7564.8676128535. The cubic root of 57227222 is about 385.3608176405.

Adding to 57227222 its reverse (22272275), we get a palindrome (79499497).

It can be divided in two parts, 5 and 7227222, that added together give a palindrome (7227227).

The spelling of 57227222 in words is "fifty-seven million, two hundred twenty-seven thousand, two hundred twenty-two".