82216304 has 10 divisors (see below), whose sum is σ = 159294120. Its totient is φ = 41108144.

The previous prime is 82216297. The next prime is 82216307. The reversal of 82216304 is 40361228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82216307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2569244 + ... + 2569275.

It is an arithmetic number, because the mean of its divisors is an integer number (15929412).

Almost surely, 2^82216304 is an apocalyptic number.

It is an amenable number.

82216304 is a deficient number, since it is larger than the sum of its proper divisors (77077816).

82216304 is a wasteful number, since it uses less digits than its factorization.

82216304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5138527 (or 5138521 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 82216304 is about 9067.3206626875. The cubic root of 82216304 is about 434.8298167245.

The spelling of 82216304 in words is "eighty-two million, two hundred sixteen thousand, three hundred four".