82266615 has 24 divisors (see below), whose sum is σ = 143988000. Its totient is φ = 43447104.

The previous prime is 82266601. The next prime is 82266617. The reversal of 82266615 is 51666228.

It is not a de Polignac number, because 82266615 - 2⁷ = 82266487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82266615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82266617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4240 + ... + 13509.

It is an arithmetic number, because the mean of its divisors is an integer number (5999500).

Almost surely, 2^82266615 is an apocalyptic number.

82266615 is a deficient number, since it is larger than the sum of its proper divisors (61721385).

82266615 is a wasteful number, since it uses less digits than its factorization.

82266615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17863 (or 17860 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 82266615 is about 9070.0945419549. The cubic root of 82266615 is about 434.9184944400.

It can be divided in two parts, 8226 and 6615, that added together give a palindrome (14841).

The spelling of 82266615 in words is "eighty-two million, two hundred sixty-six thousand, six hundred fifteen".