224404 has 6 divisors (see below), whose sum is σ = 392714. Its totient is φ = 112200.

The previous prime is 224401. The next prime is 224423. The reversal of 224404 is 404422.

224404 is digitally balanced in base 2, because in such base 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., 202500 + 21904 = 450^2 + 148^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28047 + ... + 28054.

2²²⁴⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

224404 is a deficient number, since it is larger than the sum of its proper divisors (168310).

224404 is a wasteful number, since it uses less digits than its factorization.

224404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56105 (or 56103 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 224404 is about 473.7129932776. The cubic root of 224404 is about 60.7682688766.

Adding to 224404 its reverse (404422), we get a palindrome (628826).

The spelling of 224404 in words is "two hundred twenty-four thousand, four hundred four", and thus it is an iban number.