22032204221 has 8 divisors (see below), whose sum is σ = 23511905280. Its totient is φ = 20572913088.

The previous prime is 22032204217. The next prime is 22032204239. The reversal of 22032204221 is 12240223022.

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 22032204221 - 2² = 22032204217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22032204193 and 22032204202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22032204521) 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, 5100251 + ... + 5104568.

It is an arithmetic number, because the mean of its divisors is an integer number (2938988160).

Almost surely, 2^22032204221 is an apocalyptic number.

It is an amenable number.

22032204221 is a deficient number, since it is larger than the sum of its proper divisors (1479701059).

22032204221 is a wasteful number, since it uses less digits than its factorization.

22032204221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10204963.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22032204221 its reverse (12240223022), we get a palindrome (34272427243).

The spelling of 22032204221 in words is "twenty-two billion, thirty-two million, two hundred four thousand, two hundred twenty-one".