225945726 has 8 divisors (see below), whose sum is σ = 451891464. Its totient is φ = 75315240.

The previous prime is 225945719. The next prime is 225945749. The reversal of 225945726 is 627549522.

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

225945726 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 18828805 + ... + 18828816.

It is an arithmetic number, because the mean of its divisors is an integer number (56486433).

Almost surely, 2^225945726 is an apocalyptic number.

225945726 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.

225945726 is a wasteful number, since it uses less digits than its factorization.

225945726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37657626.

The product of its digits is 302400, while the sum is 42.

The square root of 225945726 is about 15031.4911435958. The cubic root of 225945726 is about 609.0711708476.

The spelling of 225945726 in words is "two hundred twenty-five million, nine hundred forty-five thousand, seven hundred twenty-six".