444444222223 has 4 divisors (see below), whose sum is σ = 444503010928. Its totient is φ = 444385433520.

The previous prime is 444444222217. The next prime is 444444222227. The reversal of 444444222223 is 322222444444.

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 444444222223 - 2⁵ = 444444222191 is a prime.

It is the 666667-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444444222227) by changing a digit.

It is a nontrivial repunit in base 666666.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29383011 + ... + 29398132.

It is an arithmetic number, because the mean of its divisors is an integer number (111125752732).

Almost surely, 2^444444222223 is an apocalyptic number.

444444222223 is a deficient number, since it is larger than the sum of its proper divisors (58788705).

444444222223 is an equidigital number, since it uses as much as digits as its factorization.

444444222223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58788704.

The product of its digits is 393216, while the sum is 37.

Adding to 444444222223 its reverse (322222444444), we get a palindrome (766666666667).

The spelling of 444444222223 in words is "four hundred forty-four billion, four hundred forty-four million, two hundred twenty-two thousand, two hundred twenty-three".