225152768 has 36 divisors (see below), whose sum is σ = 450518040. Its totient is φ = 112303104.

The previous prime is 225152749. The next prime is 225152797. The reversal of 225152768 is 867251522.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 141803 + ... + 143381.

It is an arithmetic number, because the mean of its divisors is an integer number (12514390).

Almost surely, 2^225152768 is an apocalyptic number.

It is an amenable number.

225152768 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

225152768 is an equidigital number, since it uses as much as digits as its factorization.

225152768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152 (or 2138 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 225152768 is about 15005.0914025873. The cubic root of 225152768 is about 608.3578226125.

The spelling of 225152768 in words is "two hundred twenty-five million, one hundred fifty-two thousand, seven hundred sixty-eight".