22240081500 has 384 divisors, whose sum is σ = 81045479424. Its totient is φ = 4613760000.

The previous prime is 22240081499. The next prime is 22240081511. The reversal of 22240081500 is 518004222.

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 8325165 + ... + 8327835.

It is an arithmetic number, because the mean of its divisors is an integer number (211055936).

Almost surely, 2^22240081500 is an apocalyptic number.

22240081500 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 22240081500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40522739712).

22240081500 is an abundant number, since it is smaller than the sum of its proper divisors (58805397924).

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

22240081500 is a wasteful number, since it uses less digits than its factorization.

22240081500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774 (or 2762 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 22240081500 its reverse (518004222), we get a palindrome (22758085722).

The spelling of 22240081500 in words is "twenty-two billion, two hundred forty million, eighty-one thousand, five hundred".