331330222242 has 24 divisors (see below), whose sum is σ = 719041917360. Its totient is φ = 110264981400.

The previous prime is 331330222229. The next prime is 331330222243. The reversal of 331330222242 is 242222033133.

331330222242 is a `hidden beast` number, since 3 + 313 + 302 + 2 + 2 + 2 + 42 = 666.

It is a super-2 number, since 2×331330222242² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331330222243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14857384 + ... + 14879667.

It is an arithmetic number, because the mean of its divisors is an integer number (29960079890).

Almost surely, 2^331330222242 is an apocalyptic number.

331330222242 is an abundant number, since it is smaller than the sum of its proper divisors (387711695118).

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

331330222242 is a wasteful number, since it uses less digits than its factorization.

331330222242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29737678 (or 29737675 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 331330222242 its reverse (242222033133), we get a palindrome (573552255375).

The spelling of 331330222242 in words is "three hundred thirty-one billion, three hundred thirty million, two hundred twenty-two thousand, two hundred forty-two".