115722227 has 4 divisors (see below), whose sum is σ = 115879560. Its totient is φ = 115564896.

The previous prime is 115722203. The next prime is 115722239. The reversal of 115722227 is 722227511.

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

It is a cyclic number.

It is not a de Polignac number, because 115722227 - 2⁸ = 115721971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115722227.

It is not an unprimeable number, because it can be changed into a prime (115724227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77558 + ... + 79035.

It is an arithmetic number, because the mean of its divisors is an integer number (28969890).

Almost surely, 2^115722227 is an apocalyptic number.

115722227 is a deficient number, since it is larger than the sum of its proper divisors (157333).

115722227 is an equidigital number, since it uses as much as digits as its factorization.

115722227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157332.

The product of its digits is 3920, while the sum is 29.

The square root of 115722227 is about 10757.4265974721. The cubic root of 115722227 is about 487.3103037535.

Adding to 115722227 its reverse (722227511), we get a palindrome (837949738).

The spelling of 115722227 in words is "one hundred fifteen million, seven hundred twenty-two thousand, two hundred twenty-seven".