322064320 has 112 divisors (see below), whose sum is σ = 824167008. Its totient is φ = 119439360.

The previous prime is 322064297. The next prime is 322064321. The reversal of 322064320 is 23460223.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 322064291 and 322064300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322064321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396715 + ... + 397525.

It is an arithmetic number, because the mean of its divisors is an integer number (7358634).

Almost surely, 2^322064320 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 322064320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412083504).

322064320 is an abundant number, since it is smaller than the sum of its proper divisors (502102688).

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

322064320 is a wasteful number, since it uses less digits than its factorization.

322064320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 322064320 is about 17946.1505621679. The cubic root of 322064320 is about 685.4580345420.

The spelling of 322064320 in words is "three hundred twenty-two million, sixty-four thousand, three hundred twenty".