204423224 has 32 divisors (see below), whose sum is σ = 394722720. Its totient is φ = 99179136.

The previous prime is 204423221. The next prime is 204423229. The reversal of 204423224 is 422324402.

It is a self number, because there is not a number n which added to its sum of digits gives 204423224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204423221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148202 + ... + 149574.

It is an arithmetic number, because the mean of its divisors is an integer number (12335085).

Almost surely, 2^204423224 is an apocalyptic number.

It is an amenable number.

204423224 is a deficient number, since it is larger than the sum of its proper divisors (190299496).

204423224 is a wasteful number, since it uses less digits than its factorization.

204423224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919 (or 1915 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 204423224 is about 14297.6649841854. The cubic root of 204423224 is about 589.0833453198.

Adding to 204423224 its reverse (422324402), we get a palindrome (626747626).

It can be divided in two parts, 20 and 4423224, that added together give a palindrome (4423244).

The spelling of 204423224 in words is "two hundred four million, four hundred twenty-three thousand, two hundred twenty-four".