225815065 has 8 divisors (see below), whose sum is σ = 309689280. Its totient is φ = 154844592.

The previous prime is 225815027. The next prime is 225815069. The reversal of 225815065 is 560518522.

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

It is not a de Polignac number, because 225815065 - 2⁷ = 225814937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225815065.

It is not an unprimeable number, because it can be changed into a prime (225815069) 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, 3225895 + ... + 3225964.

It is an arithmetic number, because the mean of its divisors is an integer number (38711160).

Almost surely, 2^225815065 is an apocalyptic number.

It is an amenable number.

225815065 is a deficient number, since it is larger than the sum of its proper divisors (83874215).

225815065 is an equidigital number, since it uses as much as digits as its factorization.

225815065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6451871.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 225815065 is about 15027.1442729482. The cubic root of 225815065 is about 608.9537426567.

The spelling of 225815065 in words is "two hundred twenty-five million, eight hundred fifteen thousand, sixty-five".