225115 has 8 divisors (see below), whose sum is σ = 294768. Its totient is φ = 163680.

The previous prime is 225109. The next prime is 225119. The reversal of 225115 is 511522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225115 - 2⁹ = 224603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225119) 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 7 ways as a sum of consecutive naturals, for example, 1992 + ... + 2101.

It is an arithmetic number, because the mean of its divisors is an integer number (36846).

2²²⁵¹¹⁵ is an apocalyptic number.

225115 is a deficient number, since it is larger than the sum of its proper divisors (69653).

225115 is a wasteful number, since it uses less digits than its factorization.

225115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4109.

The product of its digits is 100, while the sum is 16.

The square root of 225115 is about 474.4628541835. The cubic root of 225115 is about 60.8323804609.

Adding to 225115 its reverse (511522), we get a palindrome (736637).

The spelling of 225115 in words is "two hundred twenty-five thousand, one hundred fifteen".