22103212200 has 48 divisors (see below), whose sum is σ = 68519959680. Its totient is φ = 5894189760.

The previous prime is 22103212193. The next prime is 22103212237. The reversal of 22103212200 is 221230122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22103212200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18418744 + ... + 18419943.

It is an arithmetic number, because the mean of its divisors is an integer number (1427499160).

Almost surely, 2^22103212200 is an apocalyptic number.

22103212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22103212200 is an abundant number, since it is smaller than the sum of its proper divisors (46416747480).

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

22103212200 is a wasteful number, since it uses less digits than its factorization.

22103212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36838706 (or 36838697 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22103212200 its reverse (221230122), we get a palindrome (22324442322).

The spelling of 22103212200 in words is "twenty-two billion, one hundred three million, two hundred twelve thousand, two hundred".