331324422 has 32 divisors (see below), whose sum is σ = 778498560. Its totient is φ = 92677920.

The previous prime is 331324421. The next prime is 331324429. The reversal of 331324422 is 224423133.

It is a super-2 number, since 2×331324422² = 219551745227268168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331324392 and 331324401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331324421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192222 + ... + 193937.

It is an arithmetic number, because the mean of its divisors is an integer number (24328080).

Almost surely, 2^331324422 is an apocalyptic number.

331324422 is an abundant number, since it is smaller than the sum of its proper divisors (447174138).

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

331324422 is a wasteful number, since it uses less digits than its factorization.

331324422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386188.

The product of its digits is 3456, while the sum is 24.

The square root of 331324422 is about 18202.3191379560. The cubic root of 331324422 is about 691.9655654065.

Adding to 331324422 its reverse (224423133), we get a palindrome (555747555).

The spelling of 331324422 in words is "three hundred thirty-one million, three hundred twenty-four thousand, four hundred twenty-two".