404103403221 has 12 divisors (see below), whose sum is σ = 626772625632. Its totient is φ = 230916230328.

The previous prime is 404103403199. The next prime is 404103403261. The reversal of 404103403221 is 122304301404.

It is not a de Polignac number, because 404103403221 - 2¹³ = 404103395029 is a prime.

It is a super-2 number, since 2×404103403221² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404103403191 and 404103403200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404103403261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1374501225 + ... + 1374501518.

It is an arithmetic number, because the mean of its divisors is an integer number (52231052136).

Almost surely, 2^404103403221 is an apocalyptic number.

It is an amenable number.

404103403221 is a deficient number, since it is larger than the sum of its proper divisors (222669222411).

404103403221 is a wasteful number, since it uses less digits than its factorization.

404103403221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749002760 (or 2749002753 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 404103403221 its reverse (122304301404), we get a palindrome (526407704625).

The spelling of 404103403221 in words is "four hundred four billion, one hundred three million, four hundred three thousand, two hundred twenty-one".