1444111422 has 48 divisors (see below), whose sum is σ = 3138347520. Its totient is φ = 442799136.

The previous prime is 1444111421. The next prime is 1444111423. The reversal of 1444111422 is 2241114441.

It is an interprime number because it is at equal distance from previous prime (1444111421) and next prime (1444111423).

It is a junction number, because it is equal to n+sod(n) for n = 1444111392 and 1444111401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444111421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308979 + ... + 313617.

It is an arithmetic number, because the mean of its divisors is an integer number (65382240).

Almost surely, 2^1444111422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1444111422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1569173760).

1444111422 is an abundant number, since it is smaller than the sum of its proper divisors (1694236098).

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

1444111422 is a wasteful number, since it uses less digits than its factorization.

1444111422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4977 (or 4964 counting only the distinct ones).

The product of its digits is 1024, while the sum is 24.

The square root of 1444111422 is about 38001.4660506670. The cubic root of 1444111422 is about 1130.3169346206.

Adding to 1444111422 its reverse (2241114441), we get a palindrome (3685225863).

The spelling of 1444111422 in words is "one billion, four hundred forty-four million, one hundred eleven thousand, four hundred twenty-two".