322428325 has 12 divisors (see below), whose sum is σ = 401411808. Its totient is φ = 256910000.

The previous prime is 322428299. The next prime is 322428331. The reversal of 322428325 is 523824223.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-322428325 is a prime.

It is a Duffinian number.

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, 19417 + ... + 31966.

It is an arithmetic number, because the mean of its divisors is an integer number (33450984).

Almost surely, 2^322428325 is an apocalyptic number.

It is an amenable number.

322428325 is a deficient number, since it is larger than the sum of its proper divisors (78983483).

322428325 is a wasteful number, since it uses less digits than its factorization.

322428325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51644 (or 51639 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 322428325 is about 17956.2892881575. The cubic root of 322428325 is about 685.7161778118.

The spelling of 322428325 in words is "three hundred twenty-two million, four hundred twenty-eight thousand, three hundred twenty-five".