115855722 has 24 divisors (see below), whose sum is σ = 251287140. Its totient is φ = 38577600.

The previous prime is 115855699. The next prime is 115855723. The reversal of 115855722 is 227558511.

115855722 is a `hidden beast` number, since 1 + 1 + 5 + 85 + 572 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 115541001 + 314721 = 10749^2 + 561^2 .

It is not an unprimeable number, because it can be changed into a prime (115855723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17472 + ... + 23172.

Almost surely, 2^115855722 is an apocalyptic number.

115855722 is an abundant number, since it is smaller than the sum of its proper divisors (135431418).

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

115855722 is a wasteful number, since it uses less digits than its factorization.

115855722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6838 (or 6835 counting only the distinct ones).

The product of its digits is 28000, while the sum is 36.

The square root of 115855722 is about 10763.6295922890. The cubic root of 115855722 is about 487.4976157674.

The spelling of 115855722 in words is "one hundred fifteen million, eight hundred fifty-five thousand, seven hundred twenty-two".