22043155200 has 864 divisors, whose sum is σ = 84857068800. Its totient is φ = 4988928000.

The previous prime is 22043155181. The next prime is 22043155207. The reversal of 22043155200 is 255134022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (22043155207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 361363170 + ... + 361363230.

It is an arithmetic number, because the mean of its divisors is an integer number (98214200).

Almost surely, 2^22043155200 is an apocalyptic number.

22043155200 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 22043155200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42428534400).

22043155200 is an abundant number, since it is smaller than the sum of its proper divisors (62813913600).

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

22043155200 is a wasteful number, since it uses less digits than its factorization.

22043155200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 22043155200 its reverse (255134022), we get a palindrome (22298289222).

The spelling of 22043155200 in words is "twenty-two billion, forty-three million, one hundred fifty-five thousand, two hundred".