22001123300 has 36 divisors (see below), whose sum is σ = 51414935796. Its totient is φ = 8123491200.

The previous prime is 22001123299. The next prime is 22001123303. The reversal of 22001123300 is 332110022.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1461074176 + 20540049124 = 38224^2 + 143318^2 .

It is not an unprimeable number, because it can be changed into a prime (22001123303) 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 11 ways as a sum of consecutive naturals, for example, 8460671 + ... + 8463270.

It is an arithmetic number, because the mean of its divisors is an integer number (1428192661).

Almost surely, 2^22001123300 is an apocalyptic number.

22001123300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001123300 is an abundant number, since it is smaller than the sum of its proper divisors (29413812496).

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

22001123300 is a wasteful number, since it uses less digits than its factorization.

22001123300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16923968 (or 16923961 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 22001123300 its reverse (332110022), we get a palindrome (22333233322).

The spelling of 22001123300 in words is "twenty-two billion, one million, one hundred twenty-three thousand, three hundred".