115640622 has 20 divisors (see below), whose sum is σ = 259121016. Its totient is φ = 38546820.

The previous prime is 115640621. The next prime is 115640627. The reversal of 115640622 is 226046511.

115640622 is a `hidden beast` number, since 1 + 15 + 640 + 6 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115640621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 356754 + ... + 357077.

Almost surely, 2^115640622 is an apocalyptic number.

115640622 is an abundant number, since it is smaller than the sum of its proper divisors (143480394).

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

115640622 is an equidigital number, since it uses as much as digits as its factorization.

115640622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713845 (or 713836 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 115640622 is about 10753.6329675138. The cubic root of 115640622 is about 487.1957296575.

The spelling of 115640622 in words is "one hundred fifteen million, six hundred forty thousand, six hundred twenty-two".