225768916 has 24 divisors (see below), whose sum is σ = 399651840. Its totient is φ = 111589632.

The previous prime is 225768913. The next prime is 225768929. The reversal of 225768916 is 619867522.

225768916 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225768913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178695 + ... + 179953.

It is an arithmetic number, because the mean of its divisors is an integer number (16652160).

Almost surely, 2^225768916 is an apocalyptic number.

It is an amenable number.

225768916 is a deficient number, since it is larger than the sum of its proper divisors (173882924).

225768916 is a wasteful number, since it uses less digits than its factorization.

225768916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743 (or 1741 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 225768916 is about 15025.6086731952. The cubic root of 225768916 is about 608.9122566131.

The spelling of 225768916 in words is "two hundred twenty-five million, seven hundred sixty-eight thousand, nine hundred sixteen".