22143343200 has 288 divisors, whose sum is σ = 83255921280. Its totient is φ = 5052211200.

The previous prime is 22143343193. The next prime is 22143343213. The reversal of 22143343200 is 234334122.

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

It is a congruent number.

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, 424131 + ... + 473469.

It is an arithmetic number, because the mean of its divisors is an integer number (289083060).

Almost surely, 2^22143343200 is an apocalyptic number.

22143343200 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 22143343200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41627960640).

22143343200 is an abundant number, since it is smaller than the sum of its proper divisors (61112578080).

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

22143343200 is a wasteful number, since it uses less digits than its factorization.

22143343200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49390 (or 49377 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22143343200 its reverse (234334122), we get a palindrome (22377677322).

The spelling of 22143343200 in words is "twenty-two billion, one hundred forty-three million, three hundred forty-three thousand, two hundred".