225388874 has 8 divisors (see below), whose sum is σ = 339835620. Its totient is φ = 112110336.

The previous prime is 225388859. The next prime is 225388897. The reversal of 225388874 is 478883522.

It can be written as a sum of positive squares in 2 ways, for example, as 223711849 + 1677025 = 14957^2 + 1295^2 .

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

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, 291569 + ... + 292340.

Almost surely, 2^225388874 is an apocalyptic number.

225388874 is a deficient number, since it is larger than the sum of its proper divisors (114446746).

225388874 is a wasteful number, since it uses less digits than its factorization.

225388874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584104.

The product of its digits is 860160, while the sum is 47.

The square root of 225388874 is about 15012.9568706501. The cubic root of 225388874 is about 608.5703993952.

The spelling of 225388874 in words is "two hundred twenty-five million, three hundred eighty-eight thousand, eight hundred seventy-four".