22220211200 has 264 divisors, whose sum is σ = 63264090720. Its totient is φ = 7652966400.

The previous prime is 22220211193. The next prime is 22220211203. The reversal of 22220211200 is 211202222.

It is not an unprimeable number, because it can be changed into a prime (22220211203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5348324 + ... + 5352476.

Almost surely, 2^22220211200 is an apocalyptic number.

22220211200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22220211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31632045360).

22220211200 is an abundant number, since it is smaller than the sum of its proper divisors (41043879520).

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

22220211200 is a wasteful number, since it uses less digits than its factorization.

22220211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213 (or 4190 counting only the distinct ones).

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

Adding to 22220211200 its reverse (211202222), we get a palindrome (22431413422).

The spelling of 22220211200 in words is "twenty-two billion, two hundred twenty million, two hundred eleven thousand, two hundred".