225663313 has 8 divisors (see below), whose sum is σ = 226981440. Its totient is φ = 224349360.

The previous prime is 225663311. The next prime is 225663329. The reversal of 225663313 is 313366522.

It is a happy number.

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 225663313 - 2¹ = 225663311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225663311) 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, 231918 + ... + 232888.

It is an arithmetic number, because the mean of its divisors is an integer number (28372680).

Almost surely, 2^225663313 is an apocalyptic number.

It is an amenable number.

225663313 is a deficient number, since it is larger than the sum of its proper divisors (1318127).

225663313 is an equidigital number, since it uses as much as digits as its factorization.

225663313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087.

The product of its digits is 19440, while the sum is 31.

The square root of 225663313 is about 15022.0941616008. The cubic root of 225663313 is about 608.8173026064.

The spelling of 225663313 in words is "two hundred twenty-five million, six hundred sixty-three thousand, three hundred thirteen".