404224222 has 8 divisors (see below), whose sum is σ = 616613400. Its totient is φ = 198686424.

The previous prime is 404224217. The next prime is 404224237. The reversal of 404224222 is 222422404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 404224193 and 404224202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1712697 + ... + 1712932.

It is an arithmetic number, because the mean of its divisors is an integer number (77076675).

Almost surely, 2^404224222 is an apocalyptic number.

404224222 is a deficient number, since it is larger than the sum of its proper divisors (212389178).

404224222 is a wasteful number, since it uses less digits than its factorization.

404224222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425690.

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

The square root of 404224222 is about 20105.3281992610. The cubic root of 404224222 is about 739.3909171208.

Adding to 404224222 its reverse (222422404), we get a palindrome (626646626).

It can be divided in two parts, 40422 and 4222, that added together give a palindrome (44644).

The spelling of 404224222 in words is "four hundred four million, two hundred twenty-four thousand, two hundred twenty-two".