322890065 has 16 divisors (see below), whose sum is σ = 392491008. Its totient is φ = 254980416.

The previous prime is 322889999. The next prime is 322890091. The reversal of 322890065 is 560098223.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322890065 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196427 + ... + 198063.

It is an arithmetic number, because the mean of its divisors is an integer number (24530688).

Almost surely, 2^322890065 is an apocalyptic number.

It is an amenable number.

322890065 is a deficient number, since it is larger than the sum of its proper divisors (69600943).

322890065 is a wasteful number, since it uses less digits than its factorization.

322890065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 322890065 is about 17969.1420218106. The cubic root of 322890065 is about 686.0433529198.

The spelling of 322890065 in words is "three hundred twenty-two million, eight hundred ninety thousand, sixty-five".