224204224 has 14 divisors (see below), whose sum is σ = 444905384. Its totient is φ = 112102080.

The previous prime is 224204179. The next prime is 224204287. The reversal of 224204224 is 422402422.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 224204195 and 224204204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1751532 + ... + 1751659.

It is an arithmetic number, because the mean of its divisors is an integer number (31778956).

Almost surely, 2^224204224 is an apocalyptic number.

It is an amenable number.

224204224 is a deficient number, since it is larger than the sum of its proper divisors (220701160).

224204224 is an equidigital number, since it uses as much as digits as its factorization.

224204224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503203 (or 3503193 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 224204224 is about 14973.4506377121. The cubic root of 224204224 is about 607.5023050825.

Adding to 224204224 its reverse (422402422), we get a palindrome (646606646).

The spelling of 224204224 in words is "two hundred twenty-four million, two hundred four thousand, two hundred twenty-four".