82255169 has 4 divisors (see below), whose sum is σ = 82356180. Its totient is φ = 82154160.

The previous prime is 82255109. The next prime is 82255171. The reversal of 82255169 is 96155228.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18447025 + 63808144 = 4295^2 + 7988^2 .

It is a cyclic number.

It is not a de Polignac number, because 82255169 - 2¹⁶ = 82189633 is a prime.

It is a super-2 number, since 2×82255169² = 13531825654437122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82255109) 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 in 3 ways as a sum of consecutive naturals, for example, 49274 + ... + 50915.

It is an arithmetic number, because the mean of its divisors is an integer number (20589045).

Almost surely, 2^82255169 is an apocalyptic number.

It is an amenable number.

82255169 is a deficient number, since it is larger than the sum of its proper divisors (101011).

82255169 is a wasteful number, since it uses less digits than its factorization.

82255169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101010.

The product of its digits is 43200, while the sum is 38.

The square root of 82255169 is about 9069.4635453262. The cubic root of 82255169 is about 434.8983230012.

The spelling of 82255169 in words is "eighty-two million, two hundred fifty-five thousand, one hundred sixty-nine".