225866 has 8 divisors (see below), whose sum is σ = 349824. Its totient is φ = 109260.

The previous prime is 225859. The next prime is 225871. The reversal of 225866 is 668522.

225866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 225866.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1760 + ... + 1883.

It is an arithmetic number, because the mean of its divisors is an integer number (43728).

2²²⁵⁸⁶⁶ is an apocalyptic number.

225866 is a deficient number, since it is larger than the sum of its proper divisors (123958).

225866 is a wasteful number, since it uses less digits than its factorization.

225866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3676.

The product of its digits is 5760, while the sum is 29.

The square root of 225866 is about 475.2536165039. The cubic root of 225866 is about 60.8999524555.

The spelling of 225866 in words is "two hundred twenty-five thousand, eight hundred sixty-six".