22240044004221 has 24 divisors (see below), whose sum is σ = 32159159844864. Its totient is φ = 14810707185120.

The previous prime is 22240044004193. The next prime is 22240044004223. The reversal of 22240044004221 is 12240044004222.

It is not a de Polignac number, because 22240044004221 - 2¹⁷ = 22240043873149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22240044004223) 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, 62639620 + ... + 62993666.

It is an arithmetic number, because the mean of its divisors is an integer number (1339964993536).

Almost surely, 2^{22240044004221} is an apocalyptic number.

It is an amenable number.

22240044004221 is a deficient number, since it is larger than the sum of its proper divisors (9919115840643).

22240044004221 is a wasteful number, since it uses less digits than its factorization.

22240044004221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361561 (or 361558 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 22240044004221 its reverse (12240044004222), we get a palindrome (34480088008443).

Subtracting from 22240044004221 its reverse (12240044004222), we obtain a palindrome (9999999999999).

The spelling of 22240044004221 in words is "twenty-two trillion, two hundred forty billion, forty-four million, four thousand, two hundred twenty-one".