224456 has 8 divisors (see below), whose sum is σ = 420870. Its totient is φ = 112224.

The previous prime is 224449. The next prime is 224461. The reversal of 224456 is 654422.

224456 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 188356 + 36100 = 434^2 + 190^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 10 and base 15.

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14021 + ... + 14036.

2²²⁴⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

224456 is a deficient number, since it is larger than the sum of its proper divisors (196414).

224456 is a wasteful number, since it uses less digits than its factorization.

224456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28063 (or 28059 counting only the distinct ones).

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

The square root of 224456 is about 473.7678756522. The cubic root of 224456 is about 60.7729623549.

Adding to 224456 its reverse (654422), we get a palindrome (878878).

The spelling of 224456 in words is "two hundred twenty-four thousand, four hundred fifty-six".