222423112 has 8 divisors (see below), whose sum is σ = 417043350. Its totient is φ = 111211552.

The previous prime is 222423107. The next prime is 222423137. The reversal of 222423112 is 211324222.

It can be written as a sum of positive squares in only one way, i.e., 171243396 + 51179716 = 13086^2 + 7154^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 222423112.

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 as a sum of consecutive naturals, namely, 13901437 + ... + 13901452.

Almost surely, 2^222423112 is an apocalyptic number.

It is an amenable number.

222423112 is a deficient number, since it is larger than the sum of its proper divisors (194620238).

222423112 is a wasteful number, since it uses less digits than its factorization.

222423112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27802895 (or 27802891 counting only the distinct ones).

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

The square root of 222423112 is about 14913.8563758674. The cubic root of 222423112 is about 605.8893297813.

Adding to 222423112 its reverse (211324222), we get a palindrome (433747334).

The spelling of 222423112 in words is "two hundred twenty-two million, four hundred twenty-three thousand, one hundred twelve".