226666806 has 32 divisors (see below), whose sum is σ = 466698240. Its totient is φ = 73354176.

The previous prime is 226666801. The next prime is 226666807. The reversal of 226666806 is 608666622.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226666801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32650 + ... + 38978.

It is an arithmetic number, because the mean of its divisors is an integer number (14584320).

Almost surely, 2^226666806 is an apocalyptic number.

226666806 is an abundant number, since it is smaller than the sum of its proper divisors (240031434).

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

226666806 is a wasteful number, since it uses less digits than its factorization.

226666806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6508.

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 226666806 is about 15055.4576815187. The cubic root of 226666806 is about 609.7184098505.

The spelling of 226666806 in words is "two hundred twenty-six million, six hundred sixty-six thousand, eight hundred six".