22000240000 has 80 divisors (see below), whose sum is σ = 54768421620. Its totient is φ = 8800064000.

The previous prime is 22000239983. The next prime is 22000240001. The reversal of 22000240000 is 4200022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000240001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 57502 + ... + 217501.

Almost surely, 2^22000240000 is an apocalyptic number.

22000240000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000240000 is an abundant number, since it is smaller than the sum of its proper divisors (32768181620).

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

22000240000 is an frugal number, since it uses more digits than its factorization.

22000240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275037 (or 275010 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 22000240000 its reverse (4200022), we get a palindrome (22004440022).

The spelling of 22000240000 in words is "twenty-two billion, two hundred forty thousand".