322125660 has 144 divisors (see below), whose sum is σ = 1027353600. Its totient is φ = 84711744.

The previous prime is 322125613. The next prime is 322125667. The reversal of 322125660 is 66521223.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322125667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 383521 + ... + 384359.

It is an arithmetic number, because the mean of its divisors is an integer number (7134400).

Almost surely, 2^322125660 is an apocalyptic number.

322125660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322125660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513676800).

322125660 is an abundant number, since it is smaller than the sum of its proper divisors (705227940).

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

322125660 is a wasteful number, since it uses less digits than its factorization.

322125660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 322125660 is about 17947.8594824007. The cubic root of 322125660 is about 685.5015489625.

Adding to 322125660 its reverse (66521223), we get a palindrome (388646883).

The spelling of 322125660 in words is "three hundred twenty-two million, one hundred twenty-five thousand, six hundred sixty".