404224424 has 16 divisors (see below), whose sum is σ = 775547520. Its totient is φ = 197411760.

The previous prime is 404224397. The next prime is 404224439. The reversal of 404224424 is 424422404.

It is a junction number, because it is equal to n+sod(n) for n = 404224393 and 404224402.

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, 587192 + ... + 587879.

It is an arithmetic number, because the mean of its divisors is an integer number (48471720).

Almost surely, 2^404224424 is an apocalyptic number.

It is an amenable number.

404224424 is a deficient number, since it is larger than the sum of its proper divisors (371323096).

404224424 is a wasteful number, since it uses less digits than its factorization.

404224424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175120 (or 1175116 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 404224424 is about 20105.3332228043. Note that the first 3 decimals coincide. The cubic root of 404224424 is about 739.3910402842.

Adding to 404224424 its reverse (424422404), we get a palindrome (828646828).

The spelling of 404224424 in words is "four hundred four million, two hundred twenty-four thousand, four hundred twenty-four".