322813089 has 27 divisors (see below), whose sum is σ = 479492377. Its totient is φ = 209279616.

The previous prime is 322813079. The next prime is 322813109. The reversal of 322813089 is 980318223.

It is a happy number.

The square root of 322813089 is 17967.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 54508689 + 268304400 = 7383^2 + 16380^2 .

It is not a de Polignac number, because 322813089 - 2⁷ = 322812961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322813009) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2856697 + ... + 2856809.

Almost surely, 2^322813089 is an apocalyptic number.

322813089 is the 17967-th square number.

322813089 is the 8984-th centered octagonal number.

It is an amenable number.

322813089 is a deficient number, since it is larger than the sum of its proper divisors (156679288).

322813089 is an equidigital number, since it uses as much as digits as its factorization.

322813089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The cubic root of 322813089 is about 685.9888317108.

Multiplying 322813089 by its sum of digits (36), we get a square (11621271204 = 107802²).

Multiplying 322813089 by its product of nonzero digits (20736), we get a square (6693852213504 = 2587248²).

The spelling of 322813089 in words is "three hundred twenty-two million, eight hundred thirteen thousand, eighty-nine".