225563398 has 8 divisors (see below), whose sum is σ = 340928280. Its totient is φ = 111920640.

The previous prime is 225563381. The next prime is 225563411. The reversal of 225563398 is 893365522.

225563398 is digitally balanced in base 2, 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.

It is a congruent number.

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, 430203 + ... + 430726.

It is an arithmetic number, because the mean of its divisors is an integer number (42616035).

Almost surely, 2^225563398 is an apocalyptic number.

225563398 is a deficient number, since it is larger than the sum of its proper divisors (115364882).

225563398 is a wasteful number, since it uses less digits than its factorization.

225563398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861062.

The product of its digits is 388800, while the sum is 43.

The square root of 225563398 is about 15018.7681918325. The cubic root of 225563398 is about 608.7274357454.

The spelling of 225563398 in words is "two hundred twenty-five million, five hundred sixty-three thousand, three hundred ninety-eight".