225398 has 8 divisors (see below), whose sum is σ = 340200. Its totient is φ = 112000.

The previous prime is 225383. The next prime is 225427. The reversal of 225398 is 893522.

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

It is a Curzon number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 225398.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 225398.

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, 278 + ... + 726.

It is an arithmetic number, because the mean of its divisors is an integer number (42525).

2²²⁵³⁹⁸ is an apocalyptic number.

225398 is a deficient number, since it is larger than the sum of its proper divisors (114802).

225398 is a wasteful number, since it uses less digits than its factorization.

225398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702.

The product of its digits is 4320, while the sum is 29.

The square root of 225398 is about 474.7609925004. The cubic root of 225398 is about 60.8578612960.

The spelling of 225398 in words is "two hundred twenty-five thousand, three hundred ninety-eight".