331331213222 has 16 divisors (see below), whose sum is σ = 526384688400. Its totient is φ = 155875308288.

The previous prime is 331331213219. The next prime is 331331213249. The reversal of 331331213222 is 222312133133.

It is a junction number, because it is equal to n+sod(n) for n = 331331213191 and 331331213200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295468 + ... + 1529999.

It is an arithmetic number, because the mean of its divisors is an integer number (32899043025).

Almost surely, 2^331331213222 is an apocalyptic number.

331331213222 is a deficient number, since it is larger than the sum of its proper divisors (195053475178).

331331213222 is a wasteful number, since it uses less digits than its factorization.

331331213222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828935.

The product of its digits is 3888, while the sum is 26.

Adding to 331331213222 its reverse (222312133133), we get a palindrome (553643346355).

The spelling of 331331213222 in words is "three hundred thirty-one billion, three hundred thirty-one million, two hundred thirteen thousand, two hundred twenty-two".