224564 has 12 divisors (see below), whose sum is σ = 405888. Its totient is φ = 108600.

The previous prime is 224563. The next prime is 224569. The reversal of 224564 is 465422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224563) 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, 782 + ... + 1029.

It is an arithmetic number, because the mean of its divisors is an integer number (33824).

2²²⁴⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

224564 is a deficient number, since it is larger than the sum of its proper divisors (181324).

224564 is a wasteful number, since it uses less digits than its factorization.

224564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846 (or 1844 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 224564 is about 473.8818418129. The cubic root of 224564 is about 60.7827080326.

Adding to 224564 its reverse (465422), we get a palindrome (689986).

The spelling of 224564 in words is "two hundred twenty-four thousand, five hundred sixty-four".