404412223 has 2 divisors, whose sum is σ = 404412224. Its totient is φ = 404412222.

The previous prime is 404412209. The next prime is 404412241. The reversal of 404412223 is 322214404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404412223 - 2¹³ = 404404031 is a prime.

It is a super-2 number, since 2×404412223² = 327098492223603458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404412194 and 404412203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404412293) 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 as a sum of consecutive naturals, namely, 202206111 + 202206112.

It is an arithmetic number, because the mean of its divisors is an integer number (202206112).

Almost surely, 2^404412223 is an apocalyptic number.

404412223 is a deficient number, since it is larger than the sum of its proper divisors (1).

404412223 is an equidigital number, since it uses as much as digits as its factorization.

404412223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 404412223 is about 20110.0030581798. The cubic root of 404412223 is about 739.5055273459.

Adding to 404412223 its reverse (322214404), we get a palindrome (726626627).

The spelling of 404412223 in words is "four hundred four million, four hundred twelve thousand, two hundred twenty-three".