115188222 has 16 divisors (see below), whose sum is σ = 242501760. Its totient is φ = 36375192.

The previous prime is 115188193. The next prime is 115188247. The reversal of 115188222 is 222881511.

It is a self number, because there is not a number n which added to its sum of digits gives 115188222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505098 + ... + 505325.

It is an arithmetic number, because the mean of its divisors is an integer number (15156360).

Almost surely, 2^115188222 is an apocalyptic number.

115188222 is an abundant number, since it is smaller than the sum of its proper divisors (127313538).

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

115188222 is a wasteful number, since it uses less digits than its factorization.

115188222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010447.

The product of its digits is 2560, while the sum is 30.

The square root of 115188222 is about 10732.5776027942. The cubic root of 115188222 is about 486.5595766328.

The spelling of 115188222 in words is "one hundred fifteen million, one hundred eighty-eight thousand, two hundred twenty-two".