322172964 has 60 divisors (see below), whose sum is σ = 856083228. Its totient is φ = 105624000.

The previous prime is 322172953. The next prime is 322172989. The reversal of 322172964 is 469271223.

It can be written as a sum of positive squares in 2 ways, for example, as 124545600 + 197627364 = 11160^2 + 14058^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11614 + ... + 27914.

Almost surely, 2^322172964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322172964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428041614).

322172964 is an abundant number, since it is smaller than the sum of its proper divisors (533910264).

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

322172964 is a wasteful number, since it uses less digits than its factorization.

322172964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16378 (or 16367 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 322172964 is about 17949.1772513394. The cubic root of 322172964 is about 685.5351025123.

The spelling of 322172964 in words is "three hundred twenty-two million, one hundred seventy-two thousand, nine hundred sixty-four".