22000937500 has 96 divisors (see below), whose sum is σ = 50235808896. Its totient is φ = 8415000000.

The previous prime is 22000937479. The next prime is 22000937507. The reversal of 22000937500 is 573900022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000937507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7185970 + ... + 7189030.

It is an arithmetic number, because the mean of its divisors is an integer number (523289676).

Almost surely, 2^22000937500 is an apocalyptic number.

22000937500 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 22000937500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25117904448).

22000937500 is an abundant number, since it is smaller than the sum of its proper divisors (28234871396).

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

22000937500 is an frugal number, since it uses more digits than its factorization.

22000937500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123 (or 3091 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The spelling of 22000937500 in words is "twenty-two billion, nine hundred thirty-seven thousand, five hundred".