22523518028 has 12 divisors (see below), whose sum is σ = 42999443592. Its totient is φ = 10237962720.

The previous prime is 22523518013. The next prime is 22523518057. The reversal of 22523518028 is 82081532522.

It is a junction number, because it is equal to n+sod(n) for n = 22523517982 and 22523518000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255949025 + ... + 255949112.

It is an arithmetic number, because the mean of its divisors is an integer number (3583286966).

Almost surely, 2^22523518028 is an apocalyptic number.

It is an amenable number.

22523518028 is a deficient number, since it is larger than the sum of its proper divisors (20475925564).

22523518028 is a wasteful number, since it uses less digits than its factorization.

22523518028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511898152 (or 511898150 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 22523518028 in words is "twenty-two billion, five hundred twenty-three million, five hundred eighteen thousand, twenty-eight".