404404420022 has 32 divisors (see below), whose sum is σ = 630244382592. Its totient is φ = 194469859584.

The previous prime is 404404420003. The next prime is 404404420031. The reversal of 404404420022 is 220024404404.

It is a junction number, because it is equal to n+sod(n) for n = 404404419973 and 404404420000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14927333 + ... + 14954399.

It is an arithmetic number, because the mean of its divisors is an integer number (19695136956).

Almost surely, 2^404404420022 is an apocalyptic number.

404404420022 is a deficient number, since it is larger than the sum of its proper divisors (225839962570).

404404420022 is a wasteful number, since it uses less digits than its factorization.

404404420022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29772.

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

Adding to 404404420022 its reverse (220024404404), we get a palindrome (624428824426).

The spelling of 404404420022 in words is "four hundred four billion, four hundred four million, four hundred twenty thousand, twenty-two".