22850812566 has 96 divisors (see below), whose sum is σ = 53290598400. Its totient is φ = 7060374720.

The previous prime is 22850812549. The next prime is 22850812577. The reversal of 22850812566 is 66521805822.

It is a happy number.

22850812566 is a `hidden beast` number, since 2 + 2 + 8 + 5 + 0 + 81 + 2 + 566 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2049555 + ... + 2060673.

It is an arithmetic number, because the mean of its divisors is an integer number (555110400).

Almost surely, 2^22850812566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22850812566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26645299200).

22850812566 is an abundant number, since it is smaller than the sum of its proper divisors (30439785834).

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

22850812566 is a wasteful number, since it uses less digits than its factorization.

22850812566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11314 (or 11311 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 22850812566 in words is "twenty-two billion, eight hundred fifty million, eight hundred twelve thousand, five hundred sixty-six".