404403122 has 16 divisors (see below), whose sum is σ = 626809344. Its totient is φ = 195480000.

The previous prime is 404403119. The next prime is 404403151. The reversal of 404403122 is 221304404.

It is a junction number, because it is equal to n+sod(n) for n = 404403094 and 404403103.

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, 71747 + ... + 77177.

It is an arithmetic number, because the mean of its divisors is an integer number (39175584).

Almost surely, 2^404403122 is an apocalyptic number.

404403122 is a deficient number, since it is larger than the sum of its proper divisors (222406222).

404403122 is a wasteful number, since it uses less digits than its factorization.

404403122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 404403122 is about 20109.7767764836. The cubic root of 404403122 is about 739.4999799614.

Adding to 404403122 its reverse (221304404), we get a palindrome (625707526).

The spelling of 404403122 in words is "four hundred four million, four hundred three thousand, one hundred twenty-two".