82220875 has 16 divisors (see below), whose sum is σ = 111941856. Its totient is φ = 59796000.

The previous prime is 82220851. The next prime is 82220893. The reversal of 82220875 is 57802228.

It is not a de Polignac number, because 82220875 - 2⁵ = 82220843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82220875.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28524 + ... + 31273.

It is an arithmetic number, because the mean of its divisors is an integer number (6996366).

Almost surely, 2^82220875 is an apocalyptic number.

82220875 is a deficient number, since it is larger than the sum of its proper divisors (29720981).

82220875 is a wasteful number, since it uses less digits than its factorization.

82220875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59823 (or 59813 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 82220875 is about 9067.5727182086. The cubic root of 82220875 is about 434.8378750218.

The spelling of 82220875 in words is "eighty-two million, two hundred twenty thousand, eight hundred seventy-five".