222412312 has 16 divisors (see below), whose sum is σ = 422736840. Its totient is φ = 109682496.

The previous prime is 222412301. The next prime is 222412349. The reversal of 222412312 is 213214222.

It is a self number, because there is not a number n which added to its sum of digits gives 222412312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189838 + ... + 191005.

Almost surely, 2^222412312 is an apocalyptic number.

It is an amenable number.

222412312 is a deficient number, since it is larger than the sum of its proper divisors (200324528).

222412312 is a wasteful number, since it uses less digits than its factorization.

222412312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380922 (or 380918 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 222412312 is about 14913.4942920833. The cubic root of 222412312 is about 605.8795230806.

Adding to 222412312 its reverse (213214222), we get a palindrome (435626534).

The spelling of 222412312 in words is "two hundred twenty-two million, four hundred twelve thousand, three hundred twelve".