82036228 has 6 divisors (see below), whose sum is σ = 143563406. Its totient is φ = 41018112.

The previous prime is 82036223. The next prime is 82036249. The reversal of 82036228 is 82263028.

It can be written as a sum of positive squares in only one way, i.e., 64995844 + 17040384 = 8062^2 + 4128^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 82036228.

It is not an unprimeable number, because it can be changed into a prime (82036223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10254525 + ... + 10254532.

Almost surely, 2^82036228 is an apocalyptic number.

It is an amenable number.

82036228 is a deficient number, since it is larger than the sum of its proper divisors (61527178).

82036228 is a wasteful number, since it uses less digits than its factorization.

82036228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20509061 (or 20509059 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 82036228 is about 9057.3852739077. The cubic root of 82036228 is about 434.5121195940.

The spelling of 82036228 in words is "eighty-two million, thirty-six thousand, two hundred twenty-eight".