223844 has 12 divisors (see below), whose sum is σ = 396144. Its totient is φ = 110664.

The previous prime is 223843. The next prime is 223849. The reversal of 223844 is 448322.

223844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×223844² = 100212272672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (223841) 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, 167 + ... + 689.

It is an arithmetic number, because the mean of its divisors is an integer number (33012).

2²²³⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

223844 is a deficient number, since it is larger than the sum of its proper divisors (172300).

223844 is a wasteful number, since it uses less digits than its factorization.

223844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 632 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 223844 is about 473.1215488646. The cubic root of 223844 is about 60.7176777146.

The spelling of 223844 in words is "two hundred twenty-three thousand, eight hundred forty-four".