115422817 has 4 divisors (see below), whose sum is σ = 117600660. Its totient is φ = 113244976.

The previous prime is 115422803. The next prime is 115422829. The reversal of 115422817 is 718224511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27363361 + 88059456 = 5231^2 + 9384^2 .

It is a cyclic number.

It is not a de Polignac number, because 115422817 - 2¹⁵ = 115390049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115422887) 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 3 ways as a sum of consecutive naturals, for example, 1088842 + ... + 1088947.

It is an arithmetic number, because the mean of its divisors is an integer number (29400165).

Almost surely, 2^115422817 is an apocalyptic number.

It is an amenable number.

115422817 is a deficient number, since it is larger than the sum of its proper divisors (2177843).

115422817 is an equidigital number, since it uses as much as digits as its factorization.

115422817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177842.

The product of its digits is 4480, while the sum is 31.

The square root of 115422817 is about 10743.5011518592. The cubic root of 115422817 is about 486.8896654784.

The spelling of 115422817 in words is "one hundred fifteen million, four hundred twenty-two thousand, eight hundred seventeen".