225990174 has 8 divisors (see below), whose sum is σ = 451980360. Its totient is φ = 75330056.

The previous prime is 225990151. The next prime is 225990181. The reversal of 225990174 is 471099522.

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

225990174 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, 18832509 + ... + 18832520.

It is an arithmetic number, because the mean of its divisors is an integer number (56497545).

Almost surely, 2^225990174 is an apocalyptic number.

225990174 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.

225990174 is a wasteful number, since it uses less digits than its factorization.

225990174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37665034.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 225990174 is about 15032.9695669219. The cubic root of 225990174 is about 609.1111070170. Note that the first 4 decimals are identical.

The spelling of 225990174 in words is "two hundred twenty-five million, nine hundred ninety thousand, one hundred seventy-four".