22443143312100 has 576 divisors, whose sum is σ = 76376986560000. Its totient is φ = 5085933189120.

The previous prime is 22443143312027. The next prime is 22443143312101. The reversal of 22443143312100 is 121334134422.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (22443143312101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11238428302 + ... + 11238430298.

It is an arithmetic number, because the mean of its divisors is an integer number (132598935000).

Almost surely, 2^{22443143312100} is an apocalyptic number.

22443143312100 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 22443143312100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38188493280000).

22443143312100 is an abundant number, since it is smaller than the sum of its proper divisors (53933843247900).

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

22443143312100 is a wasteful number, since it uses less digits than its factorization.

22443143312100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917 (or 2896 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 22443143312100 its reverse (121334134422), we get a palindrome (22564477446522).

The spelling of 22443143312100 in words is "twenty-two trillion, four hundred forty-three billion, one hundred forty-three million, three hundred twelve thousand, one hundred".