404322223 has 4 divisors (see below), whose sum is σ = 425602360. Its totient is φ = 383042088.

The previous prime is 404322179. The next prime is 404322229. The reversal of 404322223 is 322223404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404322223 - 2⁹ = 404321711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404322194 and 404322203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404322229) by changing a digit.

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, 10640040 + ... + 10640077.

It is an arithmetic number, because the mean of its divisors is an integer number (106400590).

Almost surely, 2^404322223 is an apocalyptic number.

404322223 is a deficient number, since it is larger than the sum of its proper divisors (21280137).

404322223 is a wasteful number, since it uses less digits than its factorization.

404322223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21280136.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 404322223 is about 20107.7652413191. The cubic root of 404322223 is about 739.4506654735.

Adding to 404322223 its reverse (322223404), we get a palindrome (726545627).

The spelling of 404322223 in words is "four hundred four million, three hundred twenty-two thousand, two hundred twenty-three".