225678625 has 16 divisors (see below), whose sum is σ = 282344400. Its totient is φ = 180096000.

The previous prime is 225678613. The next prime is 225678653. The reversal of 225678625 is 526876522.

225678625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 120472576 + 105206049 = 10976^2 + 10257^2 .

It is not a de Polignac number, because 225678625 - 2²⁵ = 192124193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54115 + ... + 58135.

It is an arithmetic number, because the mean of its divisors is an integer number (17646525).

Almost surely, 2^225678625 is an apocalyptic number.

225678625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225678625 is a deficient number, since it is larger than the sum of its proper divisors (56665775).

225678625 is an equidigital number, since it uses as much as digits as its factorization.

225678625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485 (or 4475 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 225678625 is about 15022.6038022708. The cubic root of 225678625 is about 608.8310723822.

The spelling of 225678625 in words is "two hundred twenty-five million, six hundred seventy-eight thousand, six hundred twenty-five".