115607220 has 48 divisors (see below), whose sum is σ = 331235520. Its totient is φ = 30110976.

The previous prime is 115607209. The next prime is 115607221. The reversal of 115607220 is 22706511.

It is a super-2 number, since 2×115607220² = 26730058632256800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115607221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19825 + ... + 24984.

It is an arithmetic number, because the mean of its divisors is an integer number (6900740).

Almost surely, 2^115607220 is an apocalyptic number.

115607220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115607220 is an abundant number, since it is smaller than the sum of its proper divisors (215628300).

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

115607220 is a wasteful number, since it uses less digits than its factorization.

115607220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44864 (or 44862 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 115607220 is about 10752.0797988110. The cubic root of 115607220 is about 487.1488174262.

The spelling of 115607220 in words is "one hundred fifteen million, six hundred seven thousand, two hundred twenty".