222231312324 has 72 divisors (see below), whose sum is σ = 642049972928. Its totient is φ = 63489873600.

The previous prime is 222231312257. The next prime is 222231312389. The reversal of 222231312324 is 423213132222.

222231312324 is a `hidden beast` number, since 2 + 2 + 2 + 23 + 1 + 312 + 324 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4587759 + ... + 4635945.

Almost surely, 2^222231312324 is an apocalyptic number.

It is an amenable number.

222231312324 is an abundant number, since it is smaller than the sum of its proper divisors (419818660604).

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

222231312324 is a wasteful number, since it uses less digits than its factorization.

222231312324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66505 (or 66500 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 222231312324 its reverse (423213132222), we get a palindrome (645444444546).

The spelling of 222231312324 in words is "two hundred twenty-two billion, two hundred thirty-one million, three hundred twelve thousand, three hundred twenty-four".