22144333441 has 4 divisors (see below), whose sum is σ = 22236218884. Its totient is φ = 22052448000.

The previous prime is 22144333429. The next prime is 22144333459. The reversal of 22144333441 is 14433344122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16485532816 + 5658800625 = 128396^2 + 75225^2 .

It is a cyclic number.

It is not a de Polignac number, because 22144333441 - 2⁹ = 22144332929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22144033441) 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 3 ways as a sum of consecutive naturals, for example, 45942360 + ... + 45942841.

It is an arithmetic number, because the mean of its divisors is an integer number (5559054721).

Almost surely, 2^22144333441 is an apocalyptic number.

It is an amenable number.

22144333441 is a deficient number, since it is larger than the sum of its proper divisors (91885443).

22144333441 is an equidigital number, since it uses as much as digits as its factorization.

22144333441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91885442.

The product of its digits is 27648, while the sum is 31.

Adding to 22144333441 its reverse (14433344122), we get a palindrome (36577677563).

The spelling of 22144333441 in words is "twenty-two billion, one hundred forty-four million, three hundred thirty-three thousand, four hundred forty-one".