22782810667 has 2 divisors, whose sum is σ = 22782810668. Its totient is φ = 22782810666.

The previous prime is 22782810653. The next prime is 22782810697. The reversal of 22782810667 is 76601828722.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22782810667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22782810667.

It is not a weakly prime, because it can be changed into another prime (22782810637) by changing a digit.

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 as a sum of consecutive naturals, namely, 11391405333 + 11391405334.

It is an arithmetic number, because the mean of its divisors is an integer number (11391405334).

Almost surely, 2^22782810667 is an apocalyptic number.

22782810667 is a deficient number, since it is larger than the sum of its proper divisors (1).

22782810667 is an equidigital number, since it uses as much as digits as its factorization.

22782810667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 22782810667 in words is "twenty-two billion, seven hundred eighty-two million, eight hundred ten thousand, six hundred sixty-seven".