322965664 has 72 divisors (see below), whose sum is σ = 743293908. Its totient is φ = 137733120.

The previous prime is 322965653. The next prime is 322965683. The reversal of 322965664 is 466569223.

It can be written as a sum of positive squares in 2 ways, for example, as 271986064 + 50979600 = 16492^2 + 7140^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 322965664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 440242 + ... + 440974.

Almost surely, 2^322965664 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 322965664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371646954).

322965664 is an abundant number, since it is smaller than the sum of its proper divisors (420328244).

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

322965664 is a wasteful number, since it uses less digits than its factorization.

322965664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038 (or 1023 counting only the distinct ones).

The product of its digits is 466560, while the sum is 43.

The square root of 322965664 is about 17971.2454771504. The cubic root of 322965664 is about 686.0968903823.

The spelling of 322965664 in words is "three hundred twenty-two million, nine hundred sixty-five thousand, six hundred sixty-four".