22123323200 has 168 divisors, whose sum is σ = 59493424320. Its totient is φ = 8030310400.

The previous prime is 22123323139. The next prime is 22123323217. The reversal of 22123323200 is 232332122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16772141 + ... + 16773459.

Almost surely, 2^22123323200 is an apocalyptic number.

22123323200 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 22123323200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29746712160).

22123323200 is an abundant number, since it is smaller than the sum of its proper divisors (37370101120).

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

22123323200 is a wasteful number, since it uses less digits than its factorization.

22123323200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305 (or 2290 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22123323200 its reverse (232332122), we get a palindrome (22355655322).

The spelling of 22123323200 in words is "twenty-two billion, one hundred twenty-three million, three hundred twenty-three thousand, two hundred".