22221120200 has 48 divisors (see below), whose sum is σ = 51973548480. Its totient is φ = 8835210560.

The previous prime is 22221120169. The next prime is 22221120209. The reversal of 22221120200 is 202112222.

It is not an unprimeable number, because it can be changed into a prime (22221120209) 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 11 ways as a sum of consecutive naturals, for example, 299252 + ... + 366051.

It is an arithmetic number, because the mean of its divisors is an integer number (1082782260).

Almost surely, 2^22221120200 is an apocalyptic number.

22221120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22221120200 is an abundant number, since it is smaller than the sum of its proper divisors (29752428280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22221120200 is a wasteful number, since it uses less digits than its factorization.

22221120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665486 (or 665477 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22221120200 its reverse (202112222), we get a palindrome (22423232422).

The spelling of 22221120200 in words is "twenty-two billion, two hundred twenty-one million, one hundred twenty thousand, two hundred".