223285 has 4 divisors (see below), whose sum is σ = 267948. Its totient is φ = 178624.

The previous prime is 223283. The next prime is 223291. The reversal of 223285 is 582322.

223285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 97969 + 125316 = 313^2 + 354^2 .

It is a cyclic number.

It is not a de Polignac number, because 223285 - 2¹ = 223283 is a prime.

It is a super-3 number, since 3×223285³ = 33396418973022375, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22324 + ... + 22333.

It is an arithmetic number, because the mean of its divisors is an integer number (66987).

2²²³²⁸⁵ is an apocalyptic number.

It is an amenable number.

223285 is a deficient number, since it is larger than the sum of its proper divisors (44663).

223285 is an equidigital number, since it uses as much as digits as its factorization.

223285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44662.

The product of its digits is 960, while the sum is 22.

The square root of 223285 is about 472.5304223010. The cubic root of 223285 is about 60.6670926723.

The spelling of 223285 in words is "two hundred twenty-three thousand, two hundred eighty-five".