22255112 has 16 divisors (see below), whose sum is σ = 45522000. Its totient is φ = 10115920.

The previous prime is 22255109. The next prime is 22255127. The reversal of 22255112 is 21155222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126362 + ... + 126537.

It is an arithmetic number, because the mean of its divisors is an integer number (2845125).

Almost surely, 2^22255112 is an apocalyptic number.

22255112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22255112 is an abundant number, since it is smaller than the sum of its proper divisors (23266888).

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

22255112 is a wasteful number, since it uses less digits than its factorization.

22255112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252916 (or 252912 counting only the distinct ones).

The product of its digits is 400, while the sum is 20.

The square root of 22255112 is about 4717.5324058240. The cubic root of 22255112 is about 281.2828549602.

It can be divided in two parts, 2225 and 5112, that added together give a palindrome (7337).

The spelling of 22255112 in words is "twenty-two million, two hundred fifty-five thousand, one hundred twelve".