225868305 has 32 divisors (see below), whose sum is σ = 390789504. Its totient is φ = 110739456.

The previous prime is 225868289. The next prime is 225868319. The reversal of 225868305 is 503868522.

It is not a de Polignac number, because 225868305 - 2⁴ = 225868289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47862 + ... + 52368.

It is an arithmetic number, because the mean of its divisors is an integer number (12212172).

Almost surely, 2^225868305 is an apocalyptic number.

It is an amenable number.

225868305 is a deficient number, since it is larger than the sum of its proper divisors (164921199).

225868305 is a wasteful number, since it uses less digits than its factorization.

225868305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 225868305 is about 15028.9156295456. The cubic root of 225868305 is about 609.0015961951.

The spelling of 225868305 in words is "two hundred twenty-five million, eight hundred sixty-eight thousand, three hundred five".