22022102221 has 8 divisors (see below), whose sum is σ = 25169039744. Its totient is φ = 18875395440.

The previous prime is 22022102203. The next prime is 22022102257. The reversal of 22022102221 is 12220122022.

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 22022102221 - 2⁷ = 22022102093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22022102195 and 22022102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022102521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273976 + ... + 345118.

It is an arithmetic number, because the mean of its divisors is an integer number (3146129968).

Almost surely, 2^22022102221 is an apocalyptic number.

It is an amenable number.

22022102221 is a deficient number, since it is larger than the sum of its proper divisors (3146937523).

22022102221 is an equidigital number, since it uses as much as digits as its factorization.

22022102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115371.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22022102221 its reverse (12220122022), we get a palindrome (34242224243).

The spelling of 22022102221 in words is "twenty-two billion, twenty-two million, one hundred two thousand, two hundred twenty-one".