1444221223 has 2 divisors, whose sum is σ = 1444221224. Its totient is φ = 1444221222.

The previous prime is 1444221203. The next prime is 1444221227. The reversal of 1444221223 is 3221224441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1444221223 - 2²⁵ = 1410666791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444221227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722110611 + 722110612.

It is an arithmetic number, because the mean of its divisors is an integer number (722110612).

Almost surely, 2^1444221223 is an apocalyptic number.

1444221223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444221223 is an equidigital number, since it uses as much as digits as its factorization.

1444221223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 25.

The square root of 1444221223 is about 38002.9107174701. The cubic root of 1444221223 is about 1130.3455812523.

Adding to 1444221223 its reverse (3221224441), we get a palindrome (4665445664).

The spelling of 1444221223 in words is "one billion, four hundred forty-four million, two hundred twenty-one thousand, two hundred twenty-three".