225848605 has 4 divisors (see below), whose sum is σ = 271018332. Its totient is φ = 180678880.

The previous prime is 225848603. The next prime is 225848617. The reversal of 225848605 is 506848522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37527876 + 188320729 = 6126^2 + 13723^2 .

It is not a de Polignac number, because 225848605 - 2¹ = 225848603 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225848603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22584856 + ... + 22584865.

It is an arithmetic number, because the mean of its divisors is an integer number (67754583).

Almost surely, 2^225848605 is an apocalyptic number.

It is an amenable number.

225848605 is a deficient number, since it is larger than the sum of its proper divisors (45169727).

225848605 is an equidigital number, since it uses as much as digits as its factorization.

225848605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45169726.

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 225848605 is about 15028.2602120139. The cubic root of 225848605 is about 608.9838901839.

The spelling of 225848605 in words is "two hundred twenty-five million, eight hundred forty-eight thousand, six hundred five".