225229398 has 8 divisors (see below), whose sum is σ = 450458808. Its totient is φ = 75076464.

The previous prime is 225229349. The next prime is 225229423. The reversal of 225229398 is 893922522.

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

225229398 is an admirable number.

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, 18769111 + ... + 18769122.

It is an arithmetic number, because the mean of its divisors is an integer number (56307351).

Almost surely, 2^225229398 is an apocalyptic number.

225229398 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.

225229398 is a wasteful number, since it uses less digits than its factorization.

225229398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37538238.

The product of its digits is 155520, while the sum is 42.

The square root of 225229398 is about 15007.6446519765. The cubic root of 225229398 is about 608.4268323084.

The spelling of 225229398 in words is "two hundred twenty-five million, two hundred twenty-nine thousand, three hundred ninety-eight".