82022579 has 2 divisors, whose sum is σ = 82022580. Its totient is φ = 82022578.

The previous prime is 82022573. The next prime is 82022597. The reversal of 82022579 is 97522028.

Together with next prime (82022597) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82022579 - 2²⁴ = 65245363 is a prime.

It is a super-2 number, since 2×82022579² = 13455406931622482, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82022573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41011289 + 41011290.

It is an arithmetic number, because the mean of its divisors is an integer number (41011290).

Almost surely, 2^82022579 is an apocalyptic number.

82022579 is a deficient number, since it is larger than the sum of its proper divisors (1).

82022579 is an equidigital number, since it uses as much as digits as its factorization.

82022579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 82022579 is about 9056.6317690409. The cubic root of 82022579 is about 434.4880205465.

The spelling of 82022579 in words is "eighty-two million, twenty-two thousand, five hundred seventy-nine".