22212011200 has 84 divisors (see below), whose sum is σ = 55926659800. Its totient is φ = 8678154240.

The previous prime is 22212011179. The next prime is 22212011207. The reversal of 22212011200 is 211021222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22212011207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92625 + ... + 230224.

Almost surely, 2^22212011200 is an apocalyptic number.

22212011200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212011200 is an abundant number, since it is smaller than the sum of its proper divisors (33714648600).

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

22212011200 is a wasteful number, since it uses less digits than its factorization.

22212011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322914 (or 322899 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22212011200 its reverse (211021222), we get a palindrome (22423032422).

The spelling of 22212011200 in words is "twenty-two billion, two hundred twelve million, eleven thousand, two hundred".