56664632222 has 32 divisors (see below), whose sum is σ = 95739715584. Its totient is φ = 24919365600.

The previous prime is 56664632221. The next prime is 56664632243. The reversal of 56664632222 is 22223646665.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56664632221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3461168 + ... + 3477500.

It is an arithmetic number, because the mean of its divisors is an integer number (2991866112).

Almost surely, 2^56664632222 is an apocalyptic number.

56664632222 is a deficient number, since it is larger than the sum of its proper divisors (39075083362).

56664632222 is a wasteful number, since it uses less digits than its factorization.

56664632222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21464.

The product of its digits is 1244160, while the sum is 44.

It can be divided in two parts, 56664 and 632222, that added together give a palindrome (688886).

The spelling of 56664632222 in words is "fifty-six billion, six hundred sixty-four million, six hundred thirty-two thousand, two hundred twenty-two".