322130232 has 24 divisors (see below), whose sum is σ = 872436240. Its totient is φ = 107376720.

The previous prime is 322130227. The next prime is 322130233. The reversal of 322130232 is 232031223.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322130233) 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 5 ways as a sum of consecutive naturals, for example, 2236944 + ... + 2237087.

It is an arithmetic number, because the mean of its divisors is an integer number (36351510).

Almost surely, 2^322130232 is an apocalyptic number.

It is an amenable number.

322130232 is an abundant number, since it is smaller than the sum of its proper divisors (550306008).

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

322130232 is a wasteful number, since it uses less digits than its factorization.

322130232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474043 (or 4474036 counting only the distinct ones).

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

The square root of 322130232 is about 17947.9868508978. The cubic root of 322130232 is about 685.5047921050.

Adding to 322130232 its reverse (232031223), we get a palindrome (554161455).

Subtracting from 322130232 its reverse (232031223), we obtain a palindrome (90099009).

The spelling of 322130232 in words is "three hundred twenty-two million, one hundred thirty thousand, two hundred thirty-two".