22505857993750 has 48 divisors (see below), whose sum is σ = 43650810388080. Its totient is φ = 8691917500000.

The previous prime is 22505857993739. The next prime is 22505857993753. The reversal of 22505857993750 is 5739975850522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22505857993753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61903876 + ... + 62266375.

It is an arithmetic number, because the mean of its divisors is an integer number (909391883085).

Almost surely, 2^{22505857993750} is an apocalyptic number.

22505857993750 is a deficient number, since it is larger than the sum of its proper divisors (21144952394330).

22505857993750 is an equidigital number, since it uses as much as digits as its factorization.

22505857993750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124170307 (or 124170287 counting only the distinct ones).

The product of its (nonzero) digits is 238140000, while the sum is 67.

The spelling of 22505857993750 in words is "twenty-two trillion, five hundred five billion, eight hundred fifty-seven million, nine hundred ninety-three thousand, seven hundred fifty".