331020123222 has 16 divisors (see below), whose sum is σ = 678187570032. Its totient is φ = 107648820480.

The previous prime is 331020123197. The next prime is 331020123227. The reversal of 331020123222 is 222321020133.

It is a happy number.

It is a super-2 number, since 2×331020123222² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331020123227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672804883 + ... + 672805374.

It is an arithmetic number, because the mean of its divisors is an integer number (42386723127).

Almost surely, 2^331020123222 is an apocalyptic number.

331020123222 is an abundant number, since it is smaller than the sum of its proper divisors (347167446810).

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

331020123222 is a wasteful number, since it uses less digits than its factorization.

331020123222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345610303.

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

Adding to 331020123222 its reverse (222321020133), we get a palindrome (553341143355).

The spelling of 331020123222 in words is "three hundred thirty-one billion, twenty million, one hundred twenty-three thousand, two hundred twenty-two".