222234312 has 32 divisors (see below), whose sum is σ = 559591200. Its totient is φ = 73544064.

The previous prime is 222234269. The next prime is 222234329. The reversal of 222234312 is 213432222.

222234312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222234312² = 98776178860226688, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 29973 + ... + 36644.

It is an arithmetic number, because the mean of its divisors is an integer number (17487225).

Almost surely, 2^222234312 is an apocalyptic number.

It is an amenable number.

222234312 is an abundant number, since it is smaller than the sum of its proper divisors (337356888).

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

222234312 is a wasteful number, since it uses less digits than its factorization.

222234312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66765 (or 66761 counting only the distinct ones).

The product of its digits is 1152, while the sum is 21.

The square root of 222234312 is about 14907.5253479577. The cubic root of 222234312 is about 605.7178483703.

Adding to 222234312 its reverse (213432222), we get a palindrome (435666534).

The spelling of 222234312 in words is "two hundred twenty-two million, two hundred thirty-four thousand, three hundred twelve".