322622664 has 192 divisors, whose sum is σ = 1034208000. Its totient is φ = 83091456.

The previous prime is 322622659. The next prime is 322622681. The reversal of 322622664 is 466226223.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 718312 + ... + 718760.

It is an arithmetic number, because the mean of its divisors is an integer number (5386500).

Almost surely, 2^322622664 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 322622664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517104000).

322622664 is an abundant number, since it is smaller than the sum of its proper divisors (711585336).

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

322622664 is a wasteful number, since it uses less digits than its factorization.

322622664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 521 counting only the distinct ones).

The product of its digits is 41472, while the sum is 33.

The square root of 322622664 is about 17961.6999195510. The cubic root of 322622664 is about 685.8539186378.

Adding to 322622664 its reverse (466226223), we get a palindrome (788848887).

The spelling of 322622664 in words is "three hundred twenty-two million, six hundred twenty-two thousand, six hundred sixty-four".