22505443275 has 24 divisors (see below), whose sum is σ = 42524571904. Its totient is φ = 10288202400.

The previous prime is 22505443253. The next prime is 22505443283. The reversal of 22505443275 is 57234450522.

It is not a de Polignac number, because 22505443275 - 2¹¹ = 22505441227 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21433231 + ... + 21434280.

Almost surely, 2^22505443275 is an apocalyptic number.

22505443275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22505443275 is a deficient number, since it is larger than the sum of its proper divisors (20019128629).

22505443275 is a wasteful number, since it uses less digits than its factorization.

22505443275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42867531 (or 42867526 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 39.

Adding to 22505443275 its reverse (57234450522), we get a palindrome (79739893797).

The spelling of 22505443275 in words is "twenty-two billion, five hundred five million, four hundred forty-three thousand, two hundred seventy-five".