1444412223 has 8 divisors (see below), whose sum is σ = 2139870000. Its totient is φ = 962941464.

The previous prime is 1444412219. The next prime is 1444412257. The reversal of 1444412223 is 3222144441.

It is not a de Polignac number, because 1444412223 - 2² = 1444412219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 53496749 = 1444412223 / (1 + 4 + 4 + 4 + 4 + 1 + 2 + 2 + 2 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444412323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26748348 + ... + 26748401.

It is an arithmetic number, because the mean of its divisors is an integer number (267483750).

Almost surely, 2^1444412223 is an apocalyptic number.

1444412223 is a deficient number, since it is larger than the sum of its proper divisors (695457777).

1444412223 is an equidigital number, since it uses as much as digits as its factorization.

1444412223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53496758 (or 53496752 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 1444412223 is about 38005.4235997969. The cubic root of 1444412223 is about 1130.3954089116.

Adding to 1444412223 its reverse (3222144441), we get a palindrome (4666556664).

The spelling of 1444412223 in words is "one billion, four hundred forty-four million, four hundred twelve thousand, two hundred twenty-three".