444424223 has 4 divisors (see below), whose sum is σ = 451709928. Its totient is φ = 437138520.

The previous prime is 444424213. The next prime is 444424229. The reversal of 444424223 is 322424444.

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 444424223 - 2⁴ = 444424207 is a prime.

It is a super-3 number, since 3×444424223³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444424229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3642761 + ... + 3642882.

It is an arithmetic number, because the mean of its divisors is an integer number (112927482).

Almost surely, 2^444424223 is an apocalyptic number.

444424223 is a deficient number, since it is larger than the sum of its proper divisors (7285705).

444424223 is an equidigital number, since it uses as much as digits as its factorization.

444424223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7285704.

The product of its digits is 24576, while the sum is 29.

The square root of 444424223 is about 21081.3714686687. The cubic root of 444424223 is about 763.1312543056.

Adding to 444424223 its reverse (322424444), we get a palindrome (766848667).

The spelling of 444424223 in words is "four hundred forty-four million, four hundred twenty-four thousand, two hundred twenty-three".