222004431231 has 48 divisors (see below), whose sum is σ = 349347519360. Its totient is φ = 124021134720.

The previous prime is 222004431227. The next prime is 222004431347. The reversal of 222004431231 is 132134400222.

It is a happy number.

It is not a de Polignac number, because 222004431231 - 2² = 222004431227 is a prime.

It is a super-2 number, since 2×222004431231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222004431031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 729045 + ... + 987681.

It is an arithmetic number, because the mean of its divisors is an integer number (7278073320).

Almost surely, 2^222004431231 is an apocalyptic number.

222004431231 is a deficient number, since it is larger than the sum of its proper divisors (127343088129).

222004431231 is a wasteful number, since it uses less digits than its factorization.

222004431231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258744 (or 258707 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 222004431231 its reverse (132134400222), we get a palindrome (354138831453).

The spelling of 222004431231 in words is "two hundred twenty-two billion, four million, four hundred thirty-one thousand, two hundred thirty-one".