226785 has 16 divisors (see below), whose sum is σ = 391104. Its totient is φ = 111552.

The previous prime is 226783. The next prime is 226789. The reversal of 226785 is 587622.

It is not a de Polignac number, because 226785 - 2¹ = 226783 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (226783) 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 15 ways as a sum of consecutive naturals, for example, 387 + ... + 776.

It is an arithmetic number, because the mean of its divisors is an integer number (24444).

2²²⁶⁷⁸⁵ is an apocalyptic number.

It is an amenable number.

226785 is a deficient number, since it is larger than the sum of its proper divisors (164319).

226785 is a wasteful number, since it uses less digits than its factorization.

226785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184.

The product of its digits is 6720, while the sum is 30.

The square root of 226785 is about 476.2194872115. The cubic root of 226785 is about 60.9824369396.

The spelling of 226785 in words is "two hundred twenty-six thousand, seven hundred eighty-five".