404224402 has 16 divisors (see below), whose sum is σ = 669917952. Its totient is φ = 181952320.

The previous prime is 404224397. The next prime is 404224439. The reversal of 404224402 is 204422404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257674 + ... + 259237.

It is an arithmetic number, because the mean of its divisors is an integer number (41869872).

Almost surely, 2^404224402 is an apocalyptic number.

404224402 is a deficient number, since it is larger than the sum of its proper divisors (265693550).

404224402 is a wasteful number, since it uses less digits than its factorization.

404224402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516953.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 404224402 is about 20105.3326756858. The cubic root of 404224402 is about 739.3910268704.

Adding to 404224402 its reverse (204422404), we get a palindrome (608646806).

The spelling of 404224402 in words is "four hundred four million, two hundred twenty-four thousand, four hundred two".