22523454044 has 36 divisors (see below), whose sum is σ = 48778614864. Its totient is φ = 8910375552.

The previous prime is 22523453987. The next prime is 22523454049. The reversal of 22523454044 is 44045432522.

It is a junction number, because it is equal to n+sod(n) for n = 22523453995 and 22523454013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22523454049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2375177 + ... + 2384640.

It is an arithmetic number, because the mean of its divisors is an integer number (1354961524).

Almost surely, 2^22523454044 is an apocalyptic number.

It is an amenable number.

22523454044 is an abundant number, since it is smaller than the sum of its proper divisors (26255160820).

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

22523454044 is a wasteful number, since it uses less digits than its factorization.

22523454044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4759854 (or 4759839 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 22523454044 its reverse (44045432522), we get a palindrome (66568886566).

The spelling of 22523454044 in words is "twenty-two billion, five hundred twenty-three million, four hundred fifty-four thousand, forty-four".