224221304 has 16 divisors (see below), whose sum is σ = 421258320. Its totient is φ = 111885760.

The previous prime is 224221271. The next prime is 224221331. The reversal of 224221304 is 403122422.

It is a congruent number.

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, 23837 + ... + 31884.

It is an arithmetic number, because the mean of its divisors is an integer number (26328645).

Almost surely, 2^224221304 is an apocalyptic number.

It is an amenable number.

224221304 is a deficient number, since it is larger than the sum of its proper divisors (197037016).

224221304 is a wasteful number, since it uses less digits than its factorization.

224221304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56230 (or 56226 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 224221304 is about 14974.0209696661. The cubic root of 224221304 is about 607.5177313097.

Adding to 224221304 its reverse (403122422), we get a palindrome (627343726).

The spelling of 224221304 in words is "two hundred twenty-four million, two hundred twenty-one thousand, three hundred four".