22231012200 has 192 divisors, whose sum is σ = 73078536960. Its totient is φ = 5571256320.

The previous prime is 22231012189. The next prime is 22231012213. The reversal of 22231012200 is 221013222.

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 22231012200.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9719457 + ... + 9721743.

It is an arithmetic number, because the mean of its divisors is an integer number (380617380).

Almost surely, 2^22231012200 is an apocalyptic number.

22231012200 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 22231012200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36539268480).

22231012200 is an abundant number, since it is smaller than the sum of its proper divisors (50847524760).

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

22231012200 is a wasteful number, since it uses less digits than its factorization.

22231012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276 (or 3267 counting only the distinct ones).

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

Adding to 22231012200 its reverse (221013222), we get a palindrome (22452025422).

The spelling of 22231012200 in words is "twenty-two billion, two hundred thirty-one million, twelve thousand, two hundred".