226885 has 4 divisors (see below), whose sum is σ = 272268. Its totient is φ = 181504.

The previous prime is 226871. The next prime is 226901. The reversal of 226885 is 588622.

226885 = T₂₀₈ + T₂₀₉ + ... + T₂₁₇.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 588622 = 2 ⋅294311.

It can be written as a sum of positive squares in 2 ways, for example, as 103684 + 123201 = 322^2 + 351^2 .

It is a cyclic number.

It is not a de Polignac number, because 226885 - 2¹⁷ = 95813 is a prime.

It is a Smith number, since the sum of its digits (31) 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.

226885 is a lucky number.

It is a congruent 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, 22684 + ... + 22693.

It is an arithmetic number, because the mean of its divisors is an integer number (68067).

2²²⁶⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

226885 is a deficient number, since it is larger than the sum of its proper divisors (45383).

226885 is an equidigital number, since it uses as much as digits as its factorization.

226885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45382.

The product of its digits is 7680, while the sum is 31.

The square root of 226885 is about 476.3244692434. The cubic root of 226885 is about 60.9913989485.

It can be divided in two parts, 226 and 885, that added together give a palindrome (1111).

The spelling of 226885 in words is "two hundred twenty-six thousand, eight hundred eighty-five".