225345625 has 40 divisors (see below), whose sum is σ = 302303232. Its totient is φ = 167328000.

The previous prime is 225345623. The next prime is 225345649. The reversal of 225345625 is 526543522.

It is not a de Polignac number, because 225345625 - 2¹ = 225345623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225345623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1349292 + ... + 1349458.

Almost surely, 2^225345625 is an apocalyptic number.

225345625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225345625 is a deficient number, since it is larger than the sum of its proper divisors (76957607).

225345625 is a wasteful number, since it uses less digits than its factorization.

225345625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 316 counting only the distinct ones).

The product of its digits is 72000, while the sum is 34.

The square root of 225345625 is about 15011.5164124082. The cubic root of 225345625 is about 608.5314714978.

The spelling of 225345625 in words is "two hundred twenty-five million, three hundred forty-five thousand, six hundred twenty-five".