225608878 has 16 divisors (see below), whose sum is σ = 369936000. Its totient is φ = 102339000.

The previous prime is 225608849. The next prime is 225608881. The reversal of 225608878 is 878806522.

It is a happy number.

225608878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703 + ... + 21253.

It is an arithmetic number, because the mean of its divisors is an integer number (23121000).

Almost surely, 2^225608878 is an apocalyptic number.

225608878 is a deficient number, since it is larger than the sum of its proper divisors (144327122).

225608878 is a wasteful number, since it uses less digits than its factorization.

225608878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21063.

The product of its (nonzero) digits is 430080, while the sum is 46.

The square root of 225608878 is about 15020.2822210503. The cubic root of 225608878 is about 608.7683452540.

The spelling of 225608878 in words is "two hundred twenty-five million, six hundred eight thousand, eight hundred seventy-eight".