82555223 has 2 divisors, whose sum is σ = 82555224. Its totient is φ = 82555222.

The previous prime is 82555159. The next prime is 82555229. The reversal of 82555223 is 32255528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82555223 - 2⁶ = 82555159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82555223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82555229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41277611 + 41277612.

It is an arithmetic number, because the mean of its divisors is an integer number (41277612).

Almost surely, 2^82555223 is an apocalyptic number.

82555223 is a deficient number, since it is larger than the sum of its proper divisors (1).

82555223 is an equidigital number, since it uses as much as digits as its factorization.

82555223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24000, while the sum is 32.

The square root of 82555223 is about 9085.9904798541. The cubic root of 82555223 is about 435.4264949937.

The spelling of 82555223 in words is "eighty-two million, five hundred fifty-five thousand, two hundred twenty-three".