222325312 has 28 divisors (see below), whose sum is σ = 481285296. Its totient is φ = 101056640.

The previous prime is 222325307. The next prime is 222325319. The reversal of 222325312 is 213523222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (222325319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157198 + ... + 158605.

Almost surely, 2^222325312 is an apocalyptic number.

222325312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222325312 is an abundant number, since it is smaller than the sum of its proper divisors (258959984).

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

222325312 is a wasteful number, since it uses less digits than its factorization.

222325312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315826 (or 315816 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 222325312 is about 14910.5771853406. The cubic root of 222325312 is about 605.8005130766.

Adding to 222325312 its reverse (213523222), we get a palindrome (435848534).

The spelling of 222325312 in words is "two hundred twenty-two million, three hundred twenty-five thousand, three hundred twelve".