222231112 has 8 divisors (see below), whose sum is σ = 416683350. Its totient is φ = 111115552.

The previous prime is 222231109. The next prime is 222231137. The reversal of 222231112 is 211132222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 177795556 + 44435556 = 13334^2 + 6666^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13889437 + ... + 13889452.

Almost surely, 2^222231112 is an apocalyptic number.

It is an amenable number.

222231112 is a deficient number, since it is larger than the sum of its proper divisors (194452238).

222231112 is a wasteful number, since it uses less digits than its factorization.

222231112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27778895 (or 27778891 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 222231112 is about 14907.4180192279. The cubic root of 222231112 is about 605.7149410688.

Adding to 222231112 its reverse (211132222), we get a palindrome (433363334).

It can be divided in two parts, 2 and 22231112, that multiplied together give a square (44462224 = 6668²).

The spelling of 222231112 in words is "two hundred twenty-two million, two hundred thirty-one thousand, one hundred twelve".