322320132 has 36 divisors (see below), whose sum is σ = 815418240. Its totient is φ = 107352432.

The previous prime is 322320121. The next prime is 322320133. The reversal of 322320132 is 231023223.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (322320133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53253 + ... + 58995.

Almost surely, 2^322320132 is an apocalyptic number.

It is an amenable number.

322320132 is an abundant number, since it is smaller than the sum of its proper divisors (493098108).

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

322320132 is a wasteful number, since it uses less digits than its factorization.

322320132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7312 (or 7307 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 322320132 is about 17953.2763583698. The cubic root of 322320132 is about 685.6394703345.

Adding to 322320132 its reverse (231023223), we get a palindrome (553343355).

The spelling of 322320132 in words is "three hundred twenty-two million, three hundred twenty thousand, one hundred thirty-two".