22782636259 has 2 divisors, whose sum is σ = 22782636260. Its totient is φ = 22782636258.

The previous prime is 22782636167. The next prime is 22782636287. The reversal of 22782636259 is 95263628722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22782636259 - 2¹⁹ = 22782111971 is a prime.

It is not a weakly prime, because it can be changed into another prime (22782636059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11391318129 + 11391318130.

It is an arithmetic number, because the mean of its divisors is an integer number (11391318130).

Almost surely, 2^22782636259 is an apocalyptic number.

22782636259 is a deficient number, since it is larger than the sum of its proper divisors (1).

22782636259 is an equidigital number, since it uses as much as digits as its factorization.

22782636259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 52.

The spelling of 22782636259 in words is "twenty-two billion, seven hundred eighty-two million, six hundred thirty-six thousand, two hundred fifty-nine".