22775782012 has 48 divisors (see below), whose sum is σ = 41409994752. Its totient is φ = 10952262720.

The previous prime is 22775781983. The next prime is 22775782021. The reversal of 22775782012 is 21028757722.

It is a self number, because there is not a number n which added to its sum of digits gives 22775782012.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4605213 + ... + 4610155.

It is an arithmetic number, because the mean of its divisors is an integer number (862708224).

Almost surely, 2^22775782012 is an apocalyptic number.

It is an amenable number.

22775782012 is a deficient number, since it is larger than the sum of its proper divisors (18634212740).

22775782012 is a wasteful number, since it uses less digits than its factorization.

22775782012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338 (or 5336 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 43.

The spelling of 22775782012 in words is "twenty-two billion, seven hundred seventy-five million, seven hundred eighty-two thousand, twelve".