226589 has 4 divisors (see below), whose sum is σ = 247200. Its totient is φ = 205980.

The previous prime is 226571. The next prime is 226601. The reversal of 226589 is 985622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 226589 - 2¹² = 222493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226549) 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, 10289 + ... + 10310.

It is an arithmetic number, because the mean of its divisors is an integer number (61800).

2²²⁶⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

226589 is a deficient number, since it is larger than the sum of its proper divisors (20611).

226589 is a wasteful number, since it uses less digits than its factorization.

226589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20610.

The product of its digits is 8640, while the sum is 32.

The square root of 226589 is about 476.0136552663. The cubic root of 226589 is about 60.9648637570.

The spelling of 226589 in words is "two hundred twenty-six thousand, five hundred eighty-nine".