226689 has 16 divisors (see below), whose sum is σ = 329280. Its totient is φ = 138240.

The previous prime is 226669. The next prime is 226691. The reversal of 226689 is 986622.

226689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 226689 - 2⁵ = 226657 is a prime.

It is a Curzon number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (226609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2289 + ... + 2385.

It is an arithmetic number, because the mean of its divisors is an integer number (20580).

2²²⁶⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

226689 is a deficient number, since it is larger than the sum of its proper divisors (102591).

226689 is a wasteful number, since it uses less digits than its factorization.

226689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160.

The product of its digits is 10368, while the sum is 33.

The square root of 226689 is about 476.1186826832. The cubic root of 226689 is about 60.9738309322.

The spelling of 226689 in words is "two hundred twenty-six thousand, six hundred eighty-nine".