331322220022 has 32 divisors (see below), whose sum is σ = 524349614592. Its totient is φ = 156704131584.

The previous prime is 331322220007. The next prime is 331322220023. The reversal of 331322220022 is 220022223133.

It is a junction number, because it is equal to n+sod(n) for n = 331322219975 and 331322220002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331322220023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2781663 + ... + 2898325.

It is an arithmetic number, because the mean of its divisors is an integer number (16385925456).

Almost surely, 2^331322220022 is an apocalyptic number.

331322220022 is a deficient number, since it is larger than the sum of its proper divisors (193027394570).

331322220022 is a wasteful number, since it uses less digits than its factorization.

331322220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117372.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 331322220022 its reverse (220022223133), we get a palindrome (551344443155).

The spelling of 331322220022 in words is "three hundred thirty-one billion, three hundred twenty-two million, two hundred twenty thousand, twenty-two".