322220131332 has 72 divisors (see below), whose sum is σ = 826649796000. Its totient is φ = 97614168960.

The previous prime is 322220131283. The next prime is 322220131349. The reversal of 322220131332 is 233131022223.

It is a super-2 number, since 2×322220131332² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5282544 + ... + 5343192.

Almost surely, 2^322220131332 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 322220131332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413324898000).

322220131332 is an abundant number, since it is smaller than the sum of its proper divisors (504429664668).

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

322220131332 is a wasteful number, since it uses less digits than its factorization.

322220131332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64337 (or 64324 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 322220131332 its reverse (233131022223), we get a palindrome (555351153555).

The spelling of 322220131332 in words is "three hundred twenty-two billion, two hundred twenty million, one hundred thirty-one thousand, three hundred thirty-two".