224553 has 24 divisors (see below), whose sum is σ = 373312. Its totient is φ = 117504.

The previous prime is 224527. The next prime is 224563. The reversal of 224553 is 355422.

224553 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 224553 - 2⁹ = 224041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

224553 is strictly pandigital in base 7.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6051 + ... + 6087.

2²²⁴⁵⁵³ is an apocalyptic number.

It is an amenable number.

224553 is a deficient number, since it is larger than the sum of its proper divisors (148759).

224553 is a wasteful number, since it uses less digits than its factorization.

224553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 64 counting only the distinct ones).

The product of its digits is 1200, while the sum is 21.

The square root of 224553 is about 473.8702354021. The cubic root of 224553 is about 60.7817155603.

Adding to 224553 its reverse (355422), we get a palindrome (579975).

It can be divided in two parts, 224 and 553, that added together give a palindrome (777).

The spelling of 224553 in words is "two hundred twenty-four thousand, five hundred fifty-three".