225766 has 8 divisors (see below), whose sum is σ = 341280. Its totient is φ = 112008.

The previous prime is 225751. The next prime is 225767. The reversal of 225766 is 667522.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225767) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 46 + ... + 673.

It is an arithmetic number, because the mean of its divisors is an integer number (42660).

2²²⁵⁷⁶⁶ is an apocalyptic number.

225766 is a deficient number, since it is larger than the sum of its proper divisors (115514).

225766 is a wasteful number, since it uses less digits than its factorization.

225766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878.

The product of its digits is 5040, while the sum is 28.

The square root of 225766 is about 475.1483978717. The cubic root of 225766 is about 60.8909635060.

The spelling of 225766 in words is "two hundred twenty-five thousand, seven hundred sixty-six".