115092220 has 24 divisors (see below), whose sum is σ = 241895808. Its totient is φ = 45998400.

The previous prime is 115092157. The next prime is 115092221. The reversal of 115092220 is 22290511.

It is a junction number, because it is equal to n+sod(n) for n = 115092191 and 115092200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115092221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43125 + ... + 45715.

It is an arithmetic number, because the mean of its divisors is an integer number (10078992).

Almost surely, 2^115092220 is an apocalyptic number.

115092220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115092220 is an abundant number, since it is smaller than the sum of its proper divisors (126803588).

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

115092220 is a wasteful number, since it uses less digits than its factorization.

115092220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821 (or 4819 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 115092220 is about 10728.1042127675. The cubic root of 115092220 is about 486.4243669893.

The spelling of 115092220 in words is "one hundred fifteen million, ninety-two thousand, two hundred twenty".