22200012200 has 24 divisors (see below), whose sum is σ = 51615028830. Its totient is φ = 8880004800.

The previous prime is 22200012199. The next prime is 22200012217. The reversal of 22200012200 is 221000222.

It can be written as a sum of positive squares in 3 ways, for example, as 15488798116 + 6711214084 = 124454^2 + 81922^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 55499831 + ... + 55500230.

Almost surely, 2^22200012200 is an apocalyptic number.

22200012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200012200 is an abundant number, since it is smaller than the sum of its proper divisors (29415016630).

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

22200012200 is a wasteful number, since it uses less digits than its factorization.

22200012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111000077 (or 111000068 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 22200012200 its reverse (221000222), we get a palindrome (22421012422).

The spelling of 22200012200 in words is "twenty-two billion, two hundred million, twelve thousand, two hundred".