322856664 has 128 divisors (see below), whose sum is σ = 925344000. Its totient is φ = 93049344.

The previous prime is 322856609. The next prime is 322856669. The reversal of 322856664 is 466658223.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322856669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 634042 + ... + 634550.

It is an arithmetic number, because the mean of its divisors is an integer number (7229250).

Almost surely, 2^322856664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322856664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462672000).

322856664 is an abundant number, since it is smaller than the sum of its proper divisors (602487336).

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

322856664 is a wasteful number, since it uses less digits than its factorization.

322856664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 653 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 322856664 is about 17968.2125989204. The cubic root of 322856664 is about 686.0196964428.

The spelling of 322856664 in words is "three hundred twenty-two million, eight hundred fifty-six thousand, six hundred sixty-four".