22505650523 has 8 divisors (see below), whose sum is σ = 22809391776. Its totient is φ = 22203496000.

The previous prime is 22505650507. The next prime is 22505650571. The reversal of 22505650523 is 32505650522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22505650523 - 2⁴ = 22505650507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22505653523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368111 + ... + 424872.

It is an arithmetic number, because the mean of its divisors is an integer number (2851173972).

Almost surely, 2^22505650523 is an apocalyptic number.

22505650523 is a deficient number, since it is larger than the sum of its proper divisors (303741253).

22505650523 is a wasteful number, since it uses less digits than its factorization.

22505650523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793365.

The product of its (nonzero) digits is 90000, while the sum is 35.

Subtracting 22505650523 from its reverse (32505650522), we obtain a palindrome (9999999999).

The spelling of 22505650523 in words is "twenty-two billion, five hundred five million, six hundred fifty thousand, five hundred twenty-three".