656422204 has 24 divisors (see below), whose sum is σ = 1160188848. Its totient is φ = 324956160.

The previous prime is 656422201. The next prime is 656422229. The reversal of 656422204 is 402224656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656422201) by changing a digit.

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, 175999 + ... + 179689.

It is an arithmetic number, because the mean of its divisors is an integer number (48341202).

Almost surely, 2^656422204 is an apocalyptic number.

It is an amenable number.

656422204 is a deficient number, since it is larger than the sum of its proper divisors (503766644).

656422204 is a wasteful number, since it uses less digits than its factorization.

656422204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4125 (or 4123 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 656422204 is about 25620.7377723593. The cubic root of 656422204 is about 869.0826654556.

The spelling of 656422204 in words is "six hundred fifty-six million, four hundred twenty-two thousand, two hundred four".