82220204 has 12 divisors (see below), whose sum is σ = 156965928. Its totient is φ = 37372800.

The previous prime is 82220197. The next prime is 82220209. The reversal of 82220204 is 40202228.

It is not an unprimeable number, because it can be changed into a prime (82220209) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 934277 + ... + 934364.

It is an arithmetic number, because the mean of its divisors is an integer number (13080494).

Almost surely, 2^82220204 is an apocalyptic number.

It is an amenable number.

82220204 is a deficient number, since it is larger than the sum of its proper divisors (74745724).

82220204 is a wasteful number, since it uses less digits than its factorization.

82220204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868656 (or 1868654 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 82220204 is about 9067.5357181541. The cubic root of 82220204 is about 434.8366921226.

The spelling of 82220204 in words is "eighty-two million, two hundred twenty thousand, two hundred four".