225819713 has 8 divisors (see below), whose sum is σ = 258179328. Its totient is φ = 193485024.

The previous prime is 225819691. The next prime is 225819719. The reversal of 225819713 is 317918522.

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

It is a cyclic number.

It is not a de Polignac number, because 225819713 - 2¹² = 225815617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225819719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21320 + ... + 30102.

It is an arithmetic number, because the mean of its divisors is an integer number (32272416).

Almost surely, 2^225819713 is an apocalyptic number.

It is an amenable number.

225819713 is a deficient number, since it is larger than the sum of its proper divisors (32359615).

225819713 is an equidigital number, since it uses as much as digits as its factorization.

225819713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12463.

The product of its digits is 30240, while the sum is 38.

The square root of 225819713 is about 15027.2989256220. The cubic root of 225819713 is about 608.9579207033.

The spelling of 225819713 in words is "two hundred twenty-five million, eight hundred nineteen thousand, seven hundred thirteen".