22442004221 has 8 divisors (see below), whose sum is σ = 27620928384. Its totient is φ = 17756310960.

The previous prime is 22442004217. The next prime is 22442004259. The reversal of 22442004221 is 12240024422.

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

It is a cyclic number.

It is not a de Polignac number, because 22442004221 - 2² = 22442004217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22442004271) 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, 123307625 + ... + 123307806.

It is an arithmetic number, because the mean of its divisors is an integer number (3452616048).

Almost surely, 2^22442004221 is an apocalyptic number.

It is an amenable number.

22442004221 is a deficient number, since it is larger than the sum of its proper divisors (5178924163).

22442004221 is a wasteful number, since it uses less digits than its factorization.

22442004221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246615451.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 22442004221 its reverse (12240024422), we get a palindrome (34682028643).

The spelling of 22442004221 in words is "twenty-two billion, four hundred forty-two million, four thousand, two hundred twenty-one".