322988664 has 32 divisors (see below), whose sum is σ = 809424000. Its totient is φ = 107402592.

The previous prime is 322988647. The next prime is 322988669. The reversal of 322988664 is 466889223.

322988664 = T₄₂₅ + T₄₂₆ + ... + T₁₂₆₂.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322988669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6004 + ... + 26115.

It is an arithmetic number, because the mean of its divisors is an integer number (25294500).

Almost surely, 2^322988664 is an apocalyptic number.

It is an amenable number.

322988664 is an abundant number, since it is smaller than the sum of its proper divisors (486435336).

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

322988664 is a wasteful number, since it uses less digits than its factorization.

322988664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32547 (or 32543 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The square root of 322988664 is about 17971.8853768880. The cubic root of 322988664 is about 686.1131767926.

The spelling of 322988664 in words is "three hundred twenty-two million, nine hundred eighty-eight thousand, six hundred sixty-four".