22212303200 has 72 divisors (see below), whose sum is σ = 54621863352. Its totient is φ = 8820024320.

The previous prime is 22212303193. The next prime is 22212303221. The reversal of 22212303200 is 230321222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8267 + ... + 210933.

It is an arithmetic number, because the mean of its divisors is an integer number (758636991).

Almost surely, 2^22212303200 is an apocalyptic number.

22212303200 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 22212303200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27310931676).

22212303200 is an abundant number, since it is smaller than the sum of its proper divisors (32409560152).

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

22212303200 is a wasteful number, since it uses less digits than its factorization.

22212303200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202824 (or 202811 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 22212303200 its reverse (230321222), we get a palindrome (22442624422).

The spelling of 22212303200 in words is "twenty-two billion, two hundred twelve million, three hundred three thousand, two hundred".