225865875 has 16 divisors (see below), whose sum is σ = 375841440. Its totient is φ = 120461600.

The previous prime is 225865873. The next prime is 225865889. The reversal of 225865875 is 578568522.

It is not a de Polignac number, because 225865875 - 2¹ = 225865873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225865873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300780 + ... + 301529.

It is an arithmetic number, because the mean of its divisors is an integer number (23490090).

Almost surely, 2^225865875 is an apocalyptic number.

225865875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225865875 is a deficient number, since it is larger than the sum of its proper divisors (149975565).

225865875 is an equidigital number, since it uses as much as digits as its factorization.

225865875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602327 (or 602317 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 48.

The square root of 225865875 is about 15028.8347851721. The cubic root of 225865875 is about 608.9994122098. Note that the first 3 decimals are identical.

The spelling of 225865875 in words is "two hundred twenty-five million, eight hundred sixty-five thousand, eight hundred seventy-five".