22221120220200 has 192 divisors, whose sum is σ = 83497542868800. Its totient is φ = 5386938220800.

The previous prime is 22221120220171. The next prime is 22221120220241. The reversal of 22221120220200 is 202202112222.

22221120220200 is a `hidden beast` number, since 2 + 2 + 221 + 1 + 20 + 220 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 186987067 + ... + 187105866.

It is an arithmetic number, because the mean of its divisors is an integer number (434883035775).

Almost surely, 2^{22221120220200} is an apocalyptic number.

22221120220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22221120220200 is an abundant number, since it is smaller than the sum of its proper divisors (61276422648600).

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

22221120220200 is a wasteful number, since it uses less digits than its factorization.

22221120220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374092969 (or 374092954 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22221120220200 its reverse (202202112222), we get a palindrome (22423322332422).

The spelling of 22221120220200 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twenty million, two hundred twenty thousand, two hundred".