115661022 has 16 divisors (see below), whose sum is σ = 232079232. Its totient is φ = 38427480.

The previous prime is 115661011. The next prime is 115661023. The reversal of 115661022 is 220166511.

It is a junction number, because it is equal to n+sod(n) for n = 115660983 and 115661001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115661023) 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, 29554 + ... + 33237.

It is an arithmetic number, because the mean of its divisors is an integer number (14504952).

Almost surely, 2^115661022 is an apocalyptic number.

115661022 is an abundant number, since it is smaller than the sum of its proper divisors (116418210).

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

115661022 is a wasteful number, since it uses less digits than its factorization.

115661022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63103.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 115661022 is about 10754.5814423435. The cubic root of 115661022 is about 487.2243764783.

The spelling of 115661022 in words is "one hundred fifteen million, six hundred sixty-one thousand, twenty-two".