22041441144221 has 8 divisors (see below), whose sum is σ = 22257446617560. Its totient is φ = 21825686405952.

The previous prime is 22041441144211. The next prime is 22041441144227. The reversal of 22041441144221 is 12244114414022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6412978852996 + 15628462291225 = 2532386^2 + 3953285^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22041441144221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22041441144227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62507090 + ... + 62858723.

It is an arithmetic number, because the mean of its divisors is an integer number (2782180827195).

Almost surely, 2^{22041441144221} is an apocalyptic number.

It is an amenable number.

22041441144221 is a deficient number, since it is larger than the sum of its proper divisors (216005473339).

22041441144221 is a wasteful number, since it uses less digits than its factorization.

22041441144221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125367535.

The product of its (nonzero) digits is 16384, while the sum is 32.

Adding to 22041441144221 its reverse (12244114414022), we get a palindrome (34285555558243).

The spelling of 22041441144221 in words is "twenty-two trillion, forty-one billion, four hundred forty-one million, one hundred forty-four thousand, two hundred twenty-one".