22243003421100 has 288 divisors, whose sum is σ = 80324730888192. Its totient is φ = 4616844960000.

The previous prime is 22243003420999. The next prime is 22243003421113. The reversal of 22243003421100 is 112430034222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20515615 + ... + 21572585.

It is an arithmetic number, because the mean of its divisors is an integer number (278905315584).

Almost surely, 2^{22243003421100} is an apocalyptic number.

22243003421100 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 22243003421100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40162365444096).

22243003421100 is an abundant number, since it is smaller than the sum of its proper divisors (58081727467092).

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

22243003421100 is a wasteful number, since it uses less digits than its factorization.

22243003421100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057917 (or 1057910 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22243003421100 its reverse (112430034222), we get a palindrome (22355433455322).

The spelling of 22243003421100 in words is "twenty-two trillion, two hundred forty-three billion, three million, four hundred twenty-one thousand, one hundred".