112228920 has 48 divisors (see below), whose sum is σ = 364745160. Its totient is φ = 29927616.

The previous prime is 112228913. The next prime is 112228943. The reversal of 112228920 is 29822211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155514 + ... + 156233.

Almost surely, 2^112228920 is an apocalyptic number.

112228920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112228920 is an abundant number, since it is smaller than the sum of its proper divisors (252516240).

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

112228920 is a wasteful number, since it uses less digits than its factorization.

112228920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311764 (or 311757 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 112228920 is about 10593.8151767907. The cubic root of 112228920 is about 482.3566399152.

The spelling of 112228920 in words is "one hundred twelve million, two hundred twenty-eight thousand, nine hundred twenty".