322375640 has 16 divisors (see below), whose sum is σ = 725345280. Its totient is φ = 128950240.

The previous prime is 322375637. The next prime is 322375681. The reversal of 322375640 is 46573223.

It is a junction number, because it is equal to n+sod(n) for n = 322375597 and 322375606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4029656 + ... + 4029735.

It is an arithmetic number, because the mean of its divisors is an integer number (45334080).

Almost surely, 2^322375640 is an apocalyptic number.

It is an amenable number.

322375640 is an abundant number, since it is smaller than the sum of its proper divisors (402969640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

322375640 is a wasteful number, since it uses less digits than its factorization.

322375640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8059402 (or 8059398 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 322375640 is about 17954.8221934944. The cubic root of 322375640 is about 685.6788269528.

The spelling of 322375640 in words is "three hundred twenty-two million, three hundred seventy-five thousand, six hundred forty".