112665222 has 128 divisors (see below), whose sum is σ = 283668480. Its totient is φ = 32970240.

The previous prime is 112665221. The next prime is 112665233. The reversal of 112665222 is 222566211.

112665222 is a `hidden beast` number, since 1 + 1 + 2 + 6 + 652 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112665221) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1052893 + ... + 1052999.

It is an arithmetic number, because the mean of its divisors is an integer number (2216160).

Almost surely, 2^112665222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112665222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141834240).

112665222 is an abundant number, since it is smaller than the sum of its proper divisors (171003258).

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

112665222 is a wasteful number, since it uses less digits than its factorization.

112665222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 197 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 112665222 is about 10614.3874999926. The cubic root of 112665222 is about 482.9809027595.

The spelling of 112665222 in words is "one hundred twelve million, six hundred sixty-five thousand, two hundred twenty-two".