82168222519 has 2 divisors, whose sum is σ = 82168222520. Its totient is φ = 82168222518.

The previous prime is 82168222481. The next prime is 82168222531. The reversal of 82168222519 is 91522286128.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82168222519 - 2³³ = 73578287927 is a prime.

It is a super-2 number, since 2×82168222519² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82168222219) 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, 41084111259 + 41084111260.

It is an arithmetic number, because the mean of its divisors is an integer number (41084111260).

Almost surely, 2^82168222519 is an apocalyptic number.

82168222519 is a deficient number, since it is larger than the sum of its proper divisors (1).

82168222519 is an equidigital number, since it uses as much as digits as its factorization.

82168222519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 46.

The spelling of 82168222519 in words is "eighty-two billion, one hundred sixty-eight million, two hundred twenty-two thousand, five hundred nineteen".