115224205 has 4 divisors (see below), whose sum is σ = 138269052. Its totient is φ = 92179360.

The previous prime is 115224203. The next prime is 115224209. The reversal of 115224205 is 502422511.

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 25694761 + 89529444 = 5069^2 + 9462^2 .

It is not a de Polignac number, because 115224205 - 2¹ = 115224203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115224203) 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, 11522416 + ... + 11522425.

It is an arithmetic number, because the mean of its divisors is an integer number (34567263).

Almost surely, 2^115224205 is an apocalyptic number.

It is an amenable number.

115224205 is a deficient number, since it is larger than the sum of its proper divisors (23044847).

115224205 is an equidigital number, since it uses as much as digits as its factorization.

115224205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23044846.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 115224205 is about 10734.2538166377. The cubic root of 115224205 is about 486.6102358935.

Adding to 115224205 its reverse (502422511), we get a palindrome (617646716).

The spelling of 115224205 in words is "one hundred fifteen million, two hundred twenty-four thousand, two hundred five".