82152230 has 16 divisors (see below), whose sum is σ = 147977280. Its totient is φ = 32837952.

The previous prime is 82152227. The next prime is 82152253. The reversal of 82152230 is 3225128.

It is a super-3 number, since 3×82152230³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 82152196 and 82152205.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 26186 + ... + 29154.

It is an arithmetic number, because the mean of its divisors is an integer number (9248580).

Almost surely, 2^82152230 is an apocalyptic number.

82152230 is a deficient number, since it is larger than the sum of its proper divisors (65825050).

82152230 is a wasteful number, since it uses less digits than its factorization.

82152230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5743.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 82152230 is about 9063.7867362378. The cubic root of 82152230 is about 434.7168280786.

Adding to 82152230 its reverse (3225128), we get a palindrome (85377358).

The spelling of 82152230 in words is "eighty-two million, one hundred fifty-two thousand, two hundred thirty".