656669322 has 32 divisors (see below), whose sum is σ = 1460928960. Its totient is φ = 218640240.

The previous prime is 656669281. The next prime is 656669341. The reversal of 656669322 is 223966656.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44353 + ... + 57275.

It is an arithmetic number, because the mean of its divisors is an integer number (45654030).

Almost surely, 2^656669322 is an apocalyptic number.

656669322 is an abundant number, since it is smaller than the sum of its proper divisors (804259638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

656669322 is a wasteful number, since it uses less digits than its factorization.

656669322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13875 (or 13869 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The square root of 656669322 is about 25625.5599353458. The cubic root of 656669322 is about 869.1917106321.

The spelling of 656669322 in words is "six hundred fifty-six million, six hundred sixty-nine thousand, three hundred twenty-two".