115502225 has 12 divisors (see below), whose sum is σ = 143788044. Its totient is φ = 92037120.

The previous prime is 115502213. The next prime is 115502227. The reversal of 115502225 is 522205511.

It can be written as a sum of positive squares in 6 ways, for example, as 4157521 + 111344704 = 2039^2 + 10552^2 .

It is not a de Polignac number, because 115502225 - 2⁴ = 115502209 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 115502225.

It is not an unprimeable number, because it can be changed into a prime (115502227) 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 11 ways as a sum of consecutive naturals, for example, 2564 + ... + 15413.

It is an arithmetic number, because the mean of its divisors is an integer number (11982337).

Almost surely, 2^115502225 is an apocalyptic number.

It is an amenable number.

115502225 is a deficient number, since it is larger than the sum of its proper divisors (28285819).

115502225 is a wasteful number, since it uses less digits than its factorization.

115502225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18244 (or 18239 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 115502225 is about 10747.1961459722. The cubic root of 115502225 is about 487.0012958376.

Adding to 115502225 its reverse (522205511), we get a palindrome (637707736).

The spelling of 115502225 in words is "one hundred fifteen million, five hundred two thousand, two hundred twenty-five".