322320321232 has 160 divisors (see below), whose sum is σ = 832751200512. Its totient is φ = 117219336192.

The previous prime is 322320321223. The next prime is 322320321263. The reversal of 322320321232 is 232123023223.

It is a junction number, because it is equal to n+sod(n) for n = 322320321197 and 322320321206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 912918 + ... + 1215754.

Almost surely, 2^322320321232 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 322320321232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416375600256).

322320321232 is an abundant number, since it is smaller than the sum of its proper divisors (510430879280).

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

322320321232 is a wasteful number, since it uses less digits than its factorization.

322320321232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302925 (or 302919 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 322320321232 its reverse (232123023223), we get a palindrome (554443344455).

The spelling of 322320321232 in words is "three hundred twenty-two billion, three hundred twenty million, three hundred twenty-one thousand, two hundred thirty-two".