56635222 has 16 divisors (see below), whose sum is σ = 97194240. Its totient is φ = 24245928.

The previous prime is 56635199. The next prime is 56635253. The reversal of 56635222 is 22253665.

56635222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16933 + ... + 19999.

It is an arithmetic number, because the mean of its divisors is an integer number (6074640).

Almost surely, 2^56635222 is an apocalyptic number.

56635222 is a deficient number, since it is larger than the sum of its proper divisors (40559018).

56635222 is a wasteful number, since it uses less digits than its factorization.

56635222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4395.

The product of its digits is 21600, while the sum is 31.

The square root of 56635222 is about 7525.6376474024. The cubic root of 56635222 is about 384.0273915284.

Adding to 56635222 its reverse (22253665), we get a palindrome (78888887).

The spelling of 56635222 in words is "fifty-six million, six hundred thirty-five thousand, two hundred twenty-two".