222609112 has 16 divisors (see below), whose sum is σ = 455337000. Its totient is φ = 101185920.

The previous prime is 222609097. The next prime is 222609119. The reversal of 222609112 is 211906222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222609119) 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, 1264737 + ... + 1264912.

Almost surely, 2^222609112 is an apocalyptic number.

222609112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222609112 is an abundant number, since it is smaller than the sum of its proper divisors (232727888).

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

222609112 is a wasteful number, since it uses less digits than its factorization.

222609112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529666 (or 2529662 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 222609112 is about 14920.0908844417. The cubic root of 222609112 is about 606.0581731706.

The spelling of 222609112 in words is "two hundred twenty-two million, six hundred nine thousand, one hundred twelve".