56668222 has 16 divisors (see below), whose sum is σ = 96359760. Its totient is φ = 24777792.

The previous prime is 56668211. The next prime is 56668247. The reversal of 56668222 is 22286665.

It is a super-2 number, since 2×56668222² = 6422574769282568, which contains 22 as substring.

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, 56863 + ... + 57850.

It is an arithmetic number, because the mean of its divisors is an integer number (6022485).

Almost surely, 2^56668222 is an apocalyptic number.

56668222 is a deficient number, since it is larger than the sum of its proper divisors (39691538).

56668222 is a wasteful number, since it uses less digits than its factorization.

56668222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114747.

The product of its digits is 69120, while the sum is 37.

The square root of 56668222 is about 7527.8298333583. The cubic root of 56668222 is about 384.1019649291.

The spelling of 56668222 in words is "fifty-six million, six hundred sixty-eight thousand, two hundred twenty-two".