225115015 has 16 divisors (see below), whose sum is σ = 272544480. Its totient is φ = 178496640.

The previous prime is 225114979. The next prime is 225115027. The reversal of 225115015 is 510511522.

It is a happy number.

It is not a de Polignac number, because 225115015 - 2¹³ = 225106823 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481812 + ... + 482278.

It is an arithmetic number, because the mean of its divisors is an integer number (17034030).

Almost surely, 2^225115015 is an apocalyptic number.

225115015 is a deficient number, since it is larger than the sum of its proper divisors (47429465).

225115015 is a wasteful number, since it uses less digits than its factorization.

225115015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 225115015 is about 15003.8333435159. The cubic root of 225115015 is about 608.3238181202.

Adding to 225115015 its reverse (510511522), we get a palindrome (735626537).

The spelling of 225115015 in words is "two hundred twenty-five million, one hundred fifteen thousand, fifteen".