82215182 has 8 divisors (see below), whose sum is σ = 140940336. Its totient is φ = 35235072.

The previous prime is 82215151. The next prime is 82215187. The reversal of 82215182 is 28151228.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82215187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2936243 + ... + 2936270.

It is an arithmetic number, because the mean of its divisors is an integer number (17617542).

Almost surely, 2^82215182 is an apocalyptic number.

82215182 is a deficient number, since it is larger than the sum of its proper divisors (58725154).

82215182 is a wasteful number, since it uses less digits than its factorization.

82215182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5872522.

The product of its digits is 2560, while the sum is 29.

The square root of 82215182 is about 9067.2587919393. The cubic root of 82215182 is about 434.8278386850.

The spelling of 82215182 in words is "eighty-two million, two hundred fifteen thousand, one hundred eighty-two".