1144223344 has 80 divisors (see below), whose sum is σ = 2486090880. Its totient is φ = 505760000.

The previous prime is 1144223341. The next prime is 1144223359. The reversal of 1144223344 is 4433224411.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144223341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1048239 + ... + 1049329.

It is an arithmetic number, because the mean of its divisors is an integer number (31076136).

Almost surely, 2^1144223344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144223344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1243045440).

1144223344 is an abundant number, since it is smaller than the sum of its proper divisors (1341867536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144223344 is a wasteful number, since it uses less digits than its factorization.

1144223344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 1264 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The square root of 1144223344 is about 33826.3705413395. The cubic root of 1144223344 is about 1045.9323635534.

Adding to 1144223344 its reverse (4433224411), we get a palindrome (5577447755).

The spelling of 1144223344 in words is "one billion, one hundred forty-four million, two hundred twenty-three thousand, three hundred forty-four".