22211200222200 has 216 divisors, whose sum is σ = 81990229503000. Its totient is φ = 5384533334400.

The previous prime is 22211200222199. The next prime is 22211200222207. The reversal of 22211200222200 is 222200211222.

22211200222200 is a `hidden beast` number, since 2 + 221 + 1 + 20 + 0 + 222 + 200 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211200222207) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 50772100 + ... + 51207699.

Almost surely, 2^{22211200222200} is an apocalyptic number.

22211200222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22211200222200 is an abundant number, since it is smaller than the sum of its proper divisors (59779029280800).

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

22211200222200 is a wasteful number, since it uses less digits than its factorization.

22211200222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101979843 (or 101979820 counting only the distinct ones).

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

Adding to 22211200222200 its reverse (222200211222), we get a palindrome (22433400433422).

The spelling of 22211200222200 in words is "twenty-two trillion, two hundred eleven billion, two hundred million, two hundred twenty-two thousand, two hundred".