22140717500 has 240 divisors, whose sum is σ = 55052252640. Its totient is φ = 7718400000.

The previous prime is 22140717497. The next prime is 22140717553. The reversal of 22140717500 is 571704122.

It is a super-2 number, since 2×22140717500² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 82307366 + ... + 82307634.

It is an arithmetic number, because the mean of its divisors is an integer number (229384386).

Almost surely, 2^22140717500 is an apocalyptic number.

22140717500 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 22140717500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27526126320).

22140717500 is an abundant number, since it is smaller than the sum of its proper divisors (32911535140).

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

22140717500 is a wasteful number, since it uses less digits than its factorization.

22140717500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The spelling of 22140717500 in words is "twenty-two billion, one hundred forty million, seven hundred seventeen thousand, five hundred".