22200322221 has 24 divisors (see below), whose sum is σ = 39979802304. Its totient is φ = 11532634560.

The previous prime is 22200322217. The next prime is 22200322241. The reversal of 22200322221 is 12222300222.

It is not a de Polignac number, because 22200322221 - 2² = 22200322217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22200322194 and 22200322203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200322241) 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 23 ways as a sum of consecutive naturals, for example, 16016856 + ... + 16018241.

It is an arithmetic number, because the mean of its divisors is an integer number (1665825096).

Almost surely, 2^22200322221 is an apocalyptic number.

22200322221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22200322221 is a deficient number, since it is larger than the sum of its proper divisors (17779480083).

22200322221 is a wasteful number, since it uses less digits than its factorization.

22200322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32035121 (or 32035118 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22200322221 its reverse (12222300222), we get a palindrome (34422622443).

The spelling of 22200322221 in words is "twenty-two billion, two hundred million, three hundred twenty-two thousand, two hundred twenty-one".