22021332200 has 96 divisors (see below), whose sum is σ = 59387419200. Its totient is φ = 7437450240.

The previous prime is 22021332199. The next prime is 22021332251. The reversal of 22021332200 is 223312022.

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, 23585 + ... + 211184.

It is an arithmetic number, because the mean of its divisors is an integer number (618618950).

Almost surely, 2^22021332200 is an apocalyptic number.

22021332200 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 22021332200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29693709600).

22021332200 is an abundant number, since it is smaller than the sum of its proper divisors (37366087000).

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

22021332200 is a wasteful number, since it uses less digits than its factorization.

22021332200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234859 (or 234850 counting only the distinct ones).

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

Adding to 22021332200 its reverse (223312022), we get a palindrome (22244644222).

The spelling of 22021332200 in words is "twenty-two billion, twenty-one million, three hundred thirty-two thousand, two hundred".