225174 has 8 divisors (see below), whose sum is σ = 450360. Its totient is φ = 75056.

The previous prime is 225167. The next prime is 225217. The reversal of 225174 is 471522.

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

225174 is an admirable number.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 225174.

It is a congruent number.

It is an unprimeable number.

225174 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18759 + ... + 18770.

It is an arithmetic number, because the mean of its divisors is an integer number (56295).

2²²⁵¹⁷⁴ is an apocalyptic number.

225174 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225174 is a wasteful number, since it uses less digits than its factorization.

225174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37534.

The product of its digits is 560, while the sum is 21.

The square root of 225174 is about 474.5250256836. The cubic root of 225174 is about 60.8376944810.

Adding to 225174 its reverse (471522), we get a palindrome (696696).

The spelling of 225174 in words is "two hundred twenty-five thousand, one hundred seventy-four".