204401224 has 16 divisors (see below), whose sum is σ = 383439600. Its totient is φ = 102150672.

The previous prime is 204401173. The next prime is 204401237. The reversal of 204401224 is 422104402.

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 in 3 ways as a sum of consecutive naturals, for example, 15679 + ... + 25585.

It is an arithmetic number, because the mean of its divisors is an integer number (23964975).

Almost surely, 2^204401224 is an apocalyptic number.

It is an amenable number.

204401224 is a deficient number, since it is larger than the sum of its proper divisors (179038376).

204401224 is a wasteful number, since it uses less digits than its factorization.

204401224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12492 (or 12488 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 204401224 is about 14296.8956070890. The cubic root of 204401224 is about 589.0622122047.

Adding to 204401224 its reverse (422104402), we get a palindrome (626505626).

The spelling of 204401224 in words is "two hundred four million, four hundred one thousand, two hundred twenty-four".