225402 has 8 divisors (see below), whose sum is σ = 450816. Its totient is φ = 75132.

The previous prime is 225383. The next prime is 225427. The reversal of 225402 is 204522.

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

225402 is an admirable number.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 225402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18778 + ... + 18789.

It is an arithmetic number, because the mean of its divisors is an integer number (56352).

2²²⁵⁴⁰² is an apocalyptic number.

225402 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.

225402 is a wasteful number, since it uses less digits than its factorization.

225402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37572.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 225402 is about 474.7652051278. The cubic root of 225402 is about 60.8582212963.

Adding to 225402 its reverse (204522), we get a palindrome (429924).

The spelling of 225402 in words is "two hundred twenty-five thousand, four hundred two".