222313312 has 24 divisors (see below), whose sum is σ = 471347856. Its totient is φ = 102605952.

The previous prime is 222313291. The next prime is 222313339. The reversal of 222313312 is 213313222.

It is a self number, because there is not a number n which added to its sum of digits gives 222313312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266788 + ... + 267619.

It is an arithmetic number, because the mean of its divisors is an integer number (19639494).

Almost surely, 2^222313312 is an apocalyptic number.

It is an amenable number.

222313312 is an abundant number, since it is smaller than the sum of its proper divisors (249034544).

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

222313312 is a wasteful number, since it uses less digits than its factorization.

222313312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534430 (or 534422 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 222313312 is about 14910.1747810011. The cubic root of 222313312 is about 605.7896135275.

Adding to 222313312 its reverse (213313222), we get a palindrome (435626534).

The spelling of 222313312 in words is "two hundred twenty-two million, three hundred thirteen thousand, three hundred twelve".