226705 has 4 divisors (see below), whose sum is σ = 272052. Its totient is φ = 181360.

The previous prime is 226697. The next prime is 226741. The reversal of 226705 is 507622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 507622 = 2 ⋅253811.

It can be written as a sum of positive squares in 2 ways, for example, as 26896 + 199809 = 164^2 + 447^2 .

It is not a de Polignac number, because 226705 - 2³ = 226697 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22666 + ... + 22675.

It is an arithmetic number, because the mean of its divisors is an integer number (68013).

2²²⁶⁷⁰⁵ is an apocalyptic number.

It is an amenable number.

226705 is a deficient number, since it is larger than the sum of its proper divisors (45347).

226705 is an equidigital number, since it uses as much as digits as its factorization.

226705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45346.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 226705 is about 476.1354849200. The cubic root of 226705 is about 60.9752654355.

It can be divided in two parts, 226 and 705, that multiplied together give a triangular number (159330 = T₅₆₄).

The spelling of 226705 in words is "two hundred twenty-six thousand, seven hundred five".