225115115 has 16 divisors (see below), whose sum is σ = 275915808. Its totient is φ = 176257536.

The previous prime is 225115103. The next prime is 225115117. The reversal of 225115115 is 511511522.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225115115 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225115117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144179 + ... + 145731.

It is an arithmetic number, because the mean of its divisors is an integer number (17244738).

Almost surely, 2^225115115 is an apocalyptic number.

225115115 is a deficient number, since it is larger than the sum of its proper divisors (50800693).

225115115 is a wasteful number, since it uses less digits than its factorization.

225115115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158.

The product of its digits is 500, while the sum is 23.

The square root of 225115115 is about 15003.8366759972. The cubic root of 225115115 is about 608.3239081962.

Adding to 225115115 its reverse (511511522), we get a palindrome (736626637).

The spelling of 225115115 in words is "two hundred twenty-five million, one hundred fifteen thousand, one hundred fifteen".