404004221122 has 16 divisors (see below), whose sum is σ = 612314370432. Its totient is φ = 199904958400.

The previous prime is 404004221069. The next prime is 404004221141. The reversal of 404004221122 is 221122400404.

It is a junction number, because it is equal to n+sod(n) for n = 404004221093 and 404004221102.

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, 1235254 + ... + 1527697.

It is an arithmetic number, because the mean of its divisors is an integer number (38269648152).

Almost surely, 2^404004221122 is an apocalyptic number.

404004221122 is a deficient number, since it is larger than the sum of its proper divisors (208310149310).

404004221122 is a wasteful number, since it uses less digits than its factorization.

404004221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763713.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 404004221122 its reverse (221122400404), we get a palindrome (625126621526).

The spelling of 404004221122 in words is "four hundred four billion, four million, two hundred twenty-one thousand, one hundred twenty-two".