225474 has 8 divisors (see below), whose sum is σ = 450960. Its totient is φ = 75156.

The previous prime is 225461. The next prime is 225479. The reversal of 225474 is 474522.

225474 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

225474 is an admirable number.

It is a Curzon number.

It is a plaindrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 225474.

It is not an unprimeable number, because it can be changed into a prime (225479) by changing a digit.

225474 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, 18784 + ... + 18795.

It is an arithmetic number, because the mean of its divisors is an integer number (56370).

2²²⁵⁴⁷⁴ is an apocalyptic number.

225474 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.

225474 is a wasteful number, since it uses less digits than its factorization.

225474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37584.

The product of its digits is 2240, while the sum is 24.

The square root of 225474 is about 474.8410260287. The cubic root of 225474 is about 60.8647005725.

Adding to 225474 its reverse (474522), we get a palindrome (699996).

The spelling of 225474 in words is "two hundred twenty-five thousand, four hundred seventy-four".