656334022 has 4 divisors (see below), whose sum is σ = 984501036. Its totient is φ = 328167010.

The previous prime is 656334013. The next prime is 656334023. The reversal of 656334022 is 220433656.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) 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 (656334023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164083504 + ... + 164083507.

It is an arithmetic number, because the mean of its divisors is an integer number (246125259).

Almost surely, 2^656334022 is an apocalyptic number.

656334022 is a deficient number, since it is larger than the sum of its proper divisors (328167014).

656334022 is a wasteful number, since it uses less digits than its factorization.

656334022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328167013.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 656334022 is about 25619.0168039291. The cubic root of 656334022 is about 869.0437469673.

Adding to 656334022 its reverse (220433656), we get a palindrome (876767678).

The spelling of 656334022 in words is "six hundred fifty-six million, three hundred thirty-four thousand, twenty-two".