331022220132 has 24 divisors (see below), whose sum is σ = 781063668000. Its totient is φ = 109100956096.

The previous prime is 331022220131. The next prime is 331022220157. The reversal of 331022220132 is 231022220133.

It is a happy number.

It is a super-2 number, since 2×331022220132² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331022220099 and 331022220108.

It is not an unprimeable number, because it can be changed into a prime (331022220131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154971882 + ... + 154974017.

It is an arithmetic number, because the mean of its divisors is an integer number (32544319500).

Almost surely, 2^331022220132 is an apocalyptic number.

It is an amenable number.

331022220132 is an abundant number, since it is smaller than the sum of its proper divisors (450041447868).

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

331022220132 is a wasteful number, since it uses less digits than its factorization.

331022220132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309945995 (or 309945993 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 331022220132 its reverse (231022220133), we get a palindrome (562044440265).

Subtracting from 331022220132 its reverse (231022220133), we obtain a palindrome (99999999999).

The spelling of 331022220132 in words is "three hundred thirty-one billion, twenty-two million, two hundred twenty thousand, one hundred thirty-two".