444430223 has 4 divisors (see below), whose sum is σ = 449784888. Its totient is φ = 439075560.

The previous prime is 444430187. The next prime is 444430237. The reversal of 444430223 is 322034444.

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 444430223 - 2¹⁴ = 444413839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444430192 and 444430201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444430523) 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, 2677208 + ... + 2677373.

It is an arithmetic number, because the mean of its divisors is an integer number (112446222).

Almost surely, 2^444430223 is an apocalyptic number.

444430223 is a deficient number, since it is larger than the sum of its proper divisors (5354665).

444430223 is an equidigital number, since it uses as much as digits as its factorization.

444430223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354664.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 444430223 is about 21081.5137739205. The cubic root of 444430223 is about 763.1346885371.

Adding to 444430223 its reverse (322034444), we get a palindrome (766464667).

The spelling of 444430223 in words is "four hundred forty-four million, four hundred thirty thousand, two hundred twenty-three".