226566 has 24 divisors (see below), whose sum is σ = 504504. Its totient is φ = 73440.

The previous prime is 226553. The next prime is 226571. The reversal of 226566 is 665622.

226566 is a `hidden beast` number, since 2 + 2 + 656 + 6 = 666.

226566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

226566 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 585 + ... + 891.

It is an arithmetic number, because the mean of its divisors is an integer number (21021).

2²²⁶⁵⁶⁶ is an apocalyptic number.

226566 is an abundant number, since it is smaller than the sum of its proper divisors (277938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226566 is a wasteful number, since it uses less digits than its factorization.

226566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 353 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 226566 is about 475.9894956824. The cubic root of 226566 is about 60.9628009336.

The spelling of 226566 in words is "two hundred twenty-six thousand, five hundred sixty-six".