225175 has 6 divisors (see below), whose sum is σ = 279248. Its totient is φ = 180120.

The previous prime is 225167. The next prime is 225217. The reversal of 225175 is 571522.

It is not a de Polignac number, because 225175 - 2³ = 225167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 4479 + ... + 4528.

2²²⁵¹⁷⁵ is an apocalyptic number.

225175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225175 is a deficient number, since it is larger than the sum of its proper divisors (54073).

225175 is an equidigital number, since it uses as much as digits as its factorization.

225175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9017 (or 9012 counting only the distinct ones).

The product of its digits is 700, while the sum is 22.

The square root of 225175 is about 474.5260793676. The cubic root of 225175 is about 60.8377845412.

Adding to 225175 its reverse (571522), we get a palindrome (796697).

It can be divided in two parts, 22517 and 5, that added together give a palindrome (22522).

The spelling of 225175 in words is "two hundred twenty-five thousand, one hundred seventy-five".