204224 has 14 divisors (see below), whose sum is σ = 405384. Its totient is φ = 102080.

The previous prime is 204173. The next prime is 204233. The reversal of 204224 is 422402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 204199 and 204208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1532 + ... + 1659.

It is an arithmetic number, because the mean of its divisors is an integer number (28956).

2²⁰⁴²²⁴ is an apocalyptic number.

It is an amenable number.

204224 is a deficient number, since it is larger than the sum of its proper divisors (201160).

204224 is an equidigital number, since it uses as much as digits as its factorization.

204224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203 (or 3193 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 204224 is about 451.9114957600. The cubic root of 204224 is about 58.8891916180.

Adding to 204224 its reverse (422402), we get a palindrome (626626).

The spelling of 204224 in words is "two hundred four thousand, two hundred twenty-four", and thus it is an iban number.