82686223 has 2 divisors, whose sum is σ = 82686224. Its totient is φ = 82686222.

The previous prime is 82686211. The next prime is 82686257. The reversal of 82686223 is 32268628.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82686223 - 2²⁵ = 49131791 is a prime.

It is a super-2 number, since 2×82686223² = 13674022948011458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82686203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41343111 + 41343112.

It is an arithmetic number, because the mean of its divisors is an integer number (41343112).

Almost surely, 2^82686223 is an apocalyptic number.

82686223 is a deficient number, since it is larger than the sum of its proper divisors (1).

82686223 is an equidigital number, since it uses as much as digits as its factorization.

82686223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 37.

The square root of 82686223 is about 9093.1965226756. The cubic root of 82686223 is about 435.6566872788.

The spelling of 82686223 in words is "eighty-two million, six hundred eighty-six thousand, two hundred twenty-three".