204224424 has 64 divisors (see below), whose sum is σ = 519661440. Its totient is φ = 66873600.

The previous prime is 204224411. The next prime is 204224441. The reversal of 204224424 is 424422402.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 204224394 and 204224403.

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 15 ways as a sum of consecutive naturals, for example, 419109 + ... + 419595.

It is an arithmetic number, because the mean of its divisors is an integer number (8119710).

Almost surely, 2^204224424 is an apocalyptic number.

204224424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

204224424 is an abundant number, since it is smaller than the sum of its proper divisors (315437016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204224424 is a wasteful number, since it uses less digits than its factorization.

204224424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 204224424 is about 14290.7111089687. The cubic root of 204224424 is about 588.8923237224.

Adding to 204224424 its reverse (424422402), we get a palindrome (628646826).

The spelling of 204224424 in words is "two hundred four million, two hundred twenty-four thousand, four hundred twenty-four".