22102012200 has 96 divisors (see below), whose sum is σ = 72122392800. Its totient is φ = 5583663360.

The previous prime is 22102012183. The next prime is 22102012211. The reversal of 22102012200 is 221020122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 957987 + ... + 980786.

It is an arithmetic number, because the mean of its divisors is an integer number (751274925).

Almost surely, 2^22102012200 is an apocalyptic number.

22102012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102012200 is an abundant number, since it is smaller than the sum of its proper divisors (50020380600).

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

22102012200 is a wasteful number, since it uses less digits than its factorization.

22102012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938811 (or 1938802 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22102012200 its reverse (221020122), we get a palindrome (22323032322).

22102012200 divided by its reverse (221020122) gives a square (100 = 10²).

The spelling of 22102012200 in words is "twenty-two billion, one hundred two million, twelve thousand, two hundred".