22066782239 has 2 divisors, whose sum is σ = 22066782240. Its totient is φ = 22066782238.

The previous prime is 22066782209. The next prime is 22066782251. The reversal of 22066782239 is 93228766022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22066782239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22066782193 and 22066782202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22066782209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11033391119 + 11033391120.

It is an arithmetic number, because the mean of its divisors is an integer number (11033391120).

Almost surely, 2^22066782239 is an apocalyptic number.

22066782239 is a deficient number, since it is larger than the sum of its proper divisors (1).

22066782239 is an equidigital number, since it uses as much as digits as its factorization.

22066782239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 22066782239 in words is "twenty-two billion, sixty-six million, seven hundred eighty-two thousand, two hundred thirty-nine".