22505436244 has 12 divisors (see below), whose sum is σ = 41096883744. Its totient is φ = 10763469464.

The previous prime is 22505436241. The next prime is 22505436253. The reversal of 22505436244 is 44263450522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22505436241) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 122312062 + ... + 122312245.

It is an arithmetic number, because the mean of its divisors is an integer number (3424740312).

Almost surely, 2^22505436244 is an apocalyptic number.

It is an amenable number.

22505436244 is a deficient number, since it is larger than the sum of its proper divisors (18591447500).

22505436244 is a wasteful number, since it uses less digits than its factorization.

22505436244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244624334 (or 244624332 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 22505436244 its reverse (44263450522), we get a palindrome (66768886766).

The spelling of 22505436244 in words is "twenty-two billion, five hundred five million, four hundred thirty-six thousand, two hundred forty-four".