22034421200 has 120 divisors (see below), whose sum is σ = 59093750496. Its totient is φ = 7826112000.

The previous prime is 22034421181. The next prime is 22034421229. The reversal of 22034421200 is 212443022.

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, 130970 + ... + 247430.

Almost surely, 2^22034421200 is an apocalyptic number.

22034421200 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 22034421200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29546875248).

22034421200 is an abundant number, since it is smaller than the sum of its proper divisors (37059329296).

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

22034421200 is a wasteful number, since it uses less digits than its factorization.

22034421200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116533 (or 116522 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22034421200 its reverse (212443022), we get a palindrome (22246864222).

The spelling of 22034421200 in words is "twenty-two billion, thirty-four million, four hundred twenty-one thousand, two hundred".