22043240500 has 48 divisors (see below), whose sum is σ = 49262076864. Its totient is φ = 8612234400.

The previous prime is 22043240497. The next prime is 22043240617. The reversal of 22043240500 is 504234022.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 491134 + ... + 534133.

It is an arithmetic number, because the mean of its divisors is an integer number (1026293268).

Almost surely, 2^22043240500 is an apocalyptic number.

22043240500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22043240500 is an abundant number, since it is smaller than the sum of its proper divisors (27218836364).

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

22043240500 is a wasteful number, since it uses less digits than its factorization.

22043240500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025329 (or 1025317 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 22043240500 its reverse (504234022), we get a palindrome (22547474522).

The spelling of 22043240500 in words is "twenty-two billion, forty-three million, two hundred forty thousand, five hundred".