82243275 has 24 divisors (see below), whose sum is σ = 140668080. Its totient is φ = 42349440.

The previous prime is 82243243. The next prime is 82243277. The reversal of 82243275 is 57234228.

It is not a de Polignac number, because 82243275 - 2⁵ = 82243243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82243277) 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, 16732 + ... + 21081.

It is an arithmetic number, because the mean of its divisors is an integer number (5861170).

Almost surely, 2^82243275 is an apocalyptic number.

82243275 is a deficient number, since it is larger than the sum of its proper divisors (58424805).

82243275 is a wasteful number, since it uses less digits than its factorization.

82243275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37855 (or 37850 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 82243275 is about 9068.8078047779. The cubic root of 82243275 is about 434.8773600633.

The spelling of 82243275 in words is "eighty-two million, two hundred forty-three thousand, two hundred seventy-five".