322516980 has 72 divisors (see below), whose sum is σ = 984051432. Its totient is φ = 85499136.

The previous prime is 322516933. The next prime is 322516991. The reversal of 322516980 is 89615223.

It can be written as a sum of positive squares in 4 ways, for example, as 91355364 + 231161616 = 9558^2 + 15204^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 25962 + ... + 36318.

It is an arithmetic number, because the mean of its divisors is an integer number (13667381).

Almost surely, 2^322516980 is an apocalyptic number.

322516980 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 322516980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492025716).

322516980 is an abundant number, since it is smaller than the sum of its proper divisors (661534452).

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

322516980 is a wasteful number, since it uses less digits than its factorization.

322516980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10545 (or 10540 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 322516980 is about 17958.7577521386. The cubic root of 322516980 is about 685.7790203023.

The spelling of 322516980 in words is "three hundred twenty-two million, five hundred sixteen thousand, nine hundred eighty".