22212200221000 has 256 divisors, whose sum is σ = 56722441950720. Its totient is φ = 8108190720000.

The previous prime is 22212200220929. The next prime is 22212200221049. The reversal of 22212200221000 is 12200221222.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 113513245 + ... + 113708755.

It is an arithmetic number, because the mean of its divisors is an integer number (221572038870).

Almost surely, 2^{22212200221000} is an apocalyptic number.

22212200221000 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 22212200221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28361220975360).

22212200221000 is an abundant number, since it is smaller than the sum of its proper divisors (34510241729720).

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

22212200221000 is a wasteful number, since it uses less digits than its factorization.

22212200221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195753 (or 195739 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22212200221000 its reverse (12200221222), we get a palindrome (22224400442222).

The spelling of 22212200221000 in words is "twenty-two trillion, two hundred twelve billion, two hundred million, two hundred twenty-one thousand".