322561725 has 12 divisors (see below), whose sum is σ = 533302176. Its totient is φ = 172032880.

The previous prime is 322561711. The next prime is 322561741. The reversal of 322561725 is 527165223.

It is not a de Polignac number, because 322561725 - 2⁴ = 322561709 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2150337 + ... + 2150486.

It is an arithmetic number, because the mean of its divisors is an integer number (44441848).

Almost surely, 2^322561725 is an apocalyptic number.

It is an amenable number.

322561725 is a deficient number, since it is larger than the sum of its proper divisors (210740451).

322561725 is a wasteful number, since it uses less digits than its factorization.

322561725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4300836 (or 4300831 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 322561725 is about 17960.0034799551. The cubic root of 322561725 is about 685.8107331166.

The spelling of 322561725 in words is "three hundred twenty-two million, five hundred sixty-one thousand, seven hundred twenty-five".