22866622647 has 16 divisors (see below), whose sum is σ = 33275504640. Its totient is φ = 13852324800.

The previous prime is 22866622631. The next prime is 22866622657. The reversal of 22866622647 is 74622666822.

It is not a de Polignac number, because 22866622647 - 2⁴ = 22866622631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22866622647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22866622657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80854 + ... + 228627.

It is an arithmetic number, because the mean of its divisors is an integer number (2079719040).

Almost surely, 2^22866622647 is an apocalyptic number.

22866622647 is a deficient number, since it is larger than the sum of its proper divisors (10408881993).

22866622647 is a wasteful number, since it uses less digits than its factorization.

22866622647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311734.

The product of its digits is 4644864, while the sum is 51.

The spelling of 22866622647 in words is "twenty-two billion, eight hundred sixty-six million, six hundred twenty-two thousand, six hundred forty-seven".