226686 has 8 divisors (see below), whose sum is σ = 453384. Its totient is φ = 75560.

The previous prime is 226669. The next prime is 226691. The reversal of 226686 is 686622.

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

226686 is an admirable number.

It is a congruent number.

It is an unprimeable number.

226686 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 18885 + ... + 18896.

It is an arithmetic number, because the mean of its divisors is an integer number (56673).

2²²⁶⁶⁸⁶ is an apocalyptic number.

226686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

226686 is a wasteful number, since it uses less digits than its factorization.

226686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37786.

The product of its digits is 6912, while the sum is 30.

The square root of 226686 is about 476.1155321978. The cubic root of 226686 is about 60.9735619553.

The spelling of 226686 in words is "two hundred twenty-six thousand, six hundred eighty-six".