322605660 has 48 divisors (see below), whose sum is σ = 972782496. Its totient is φ = 79410432.

The previous prime is 322605653. The next prime is 322605667. The reversal of 322605660 is 66506223.

It is an interprime number because it is at equal distance from previous prime (322605653) and next prime (322605667).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322605667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206019 + ... + 207578.

It is an arithmetic number, because the mean of its divisors is an integer number (20266302).

Almost surely, 2^322605660 is an apocalyptic number.

322605660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

322605660 is an abundant number, since it is smaller than the sum of its proper divisors (650176836).

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

322605660 is a wasteful number, since it uses less digits than its factorization.

322605660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413622 (or 413620 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 322605660 is about 17961.2265728151. The cubic root of 322605660 is about 685.8418689937.

Subtracting from 322605660 its product of nonzero digits (12960), we obtain a triangular number (322592700 = T₂₅₄₀₀).

The spelling of 322605660 in words is "three hundred twenty-two million, six hundred five thousand, six hundred sixty".