322001320 has 32 divisors (see below), whose sum is σ = 725044320. Its totient is φ = 128704320.

The previous prime is 322001299. The next prime is 322001327. The reversal of 322001320 is 23100223.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 322001320.

It is not an unprimeable number, because it can be changed into a prime (322001327) 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 7 ways as a sum of consecutive naturals, for example, 78439 + ... + 82441.

It is an arithmetic number, because the mean of its divisors is an integer number (22657635).

Almost surely, 2^322001320 is an apocalyptic number.

It is an amenable number.

322001320 is an abundant number, since it is smaller than the sum of its proper divisors (403043000).

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

322001320 is a wasteful number, since it uses less digits than its factorization.

322001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025 (or 6021 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 322001320 is about 17944.3952252507. The cubic root of 322001320 is about 685.4133367704.

Adding to 322001320 its reverse (23100223), we get a palindrome (345101543).

The spelling of 322001320 in words is "three hundred twenty-two million, one thousand, three hundred twenty".