225608225 has 12 divisors (see below), whose sum is σ = 285707904. Its totient is φ = 176645520.

The previous prime is 225608191. The next prime is 225608231. The reversal of 225608225 is 522806522.

It is not a de Polignac number, because 225608225 - 2¹⁰ = 225607201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225608191 and 225608200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94829 + ... + 97178.

It is an arithmetic number, because the mean of its divisors is an integer number (23808992).

Almost surely, 2^225608225 is an apocalyptic number.

225608225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225608225 is a deficient number, since it is larger than the sum of its proper divisors (60099679).

225608225 is a wasteful number, since it uses less digits than its factorization.

225608225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192064 (or 192059 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 225608225 is about 15020.2604837599. The cubic root of 225608225 is about 608.7677579158.

The spelling of 225608225 in words is "two hundred twenty-five million, six hundred eight thousand, two hundred twenty-five".