322220872 has 16 divisors (see below), whose sum is σ = 604378800. Its totient is φ = 161053200.

The previous prime is 322220783. The next prime is 322220879. The reversal of 322220872 is 278022223.

It is a self number, because there is not a number n which added to its sum of digits gives 322220872.

It is not an unprimeable number, because it can be changed into a prime (322220879) 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 3 ways as a sum of consecutive naturals, for example, 25579 + ... + 36037.

It is an arithmetic number, because the mean of its divisors is an integer number (37773675).

Almost surely, 2^322220872 is an apocalyptic number.

It is an amenable number.

322220872 is a deficient number, since it is larger than the sum of its proper divisors (282157928).

322220872 is a wasteful number, since it uses less digits than its factorization.

322220872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14316 (or 14312 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 322220872 is about 17950.5117475798. The cubic root of 322220872 is about 685.5690811424.

The spelling of 322220872 in words is "three hundred twenty-two million, two hundred twenty thousand, eight hundred seventy-two".