22144321441 has 24 divisors (see below), whose sum is σ = 24987652704. Its totient is φ = 19598040000.

The previous prime is 22144321369. The next prime is 22144321469. The reversal of 22144321441 is 14412344122.

It is not a de Polignac number, because 22144321441 - 2⁷ = 22144321313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22144321541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2431306 + ... + 2440396.

It is an arithmetic number, because the mean of its divisors is an integer number (1041152196).

Almost surely, 2^22144321441 is an apocalyptic number.

It is an amenable number.

22144321441 is a deficient number, since it is larger than the sum of its proper divisors (2843331263).

22144321441 is a wasteful number, since it uses less digits than its factorization.

22144321441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9645 (or 9634 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

Adding to 22144321441 its reverse (14412344122), we get a palindrome (36556665563).

The spelling of 22144321441 in words is "twenty-two billion, one hundred forty-four million, three hundred twenty-one thousand, four hundred forty-one".