224556 has 12 divisors (see below), whose sum is σ = 523992. Its totient is φ = 74848.

The previous prime is 224527. The next prime is 224563. The reversal of 224556 is 655422.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9345 + ... + 9368.

It is an arithmetic number, because the mean of its divisors is an integer number (43666).

2²²⁴⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

224556 is an abundant number, since it is smaller than the sum of its proper divisors (299436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224556 is a wasteful number, since it uses less digits than its factorization.

224556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18720 (or 18718 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 224556 is about 473.8734008150. The cubic root of 224556 is about 60.7819862378.

Adding to 224556 its reverse (655422), we get a palindrome (879978).

It can be divided in two parts, 224 and 556, that added together give a triangular number (780 = T₃₉).

The spelling of 224556 in words is "two hundred twenty-four thousand, five hundred fifty-six".