82212850 has 36 divisors (see below), whose sum is σ = 162433242. Its totient is φ = 30851200.

The previous prime is 82212827. The next prime is 82212857. The reversal of 82212850 is 5821228.

It can be written as a sum of positive squares in 3 ways, for example, as 70509609 + 11703241 = 8397^2 + 3421^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82212857) 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 17 ways as a sum of consecutive naturals, for example, 264195 + ... + 264505.

Almost surely, 2^82212850 is an apocalyptic number.

82212850 is a deficient number, since it is larger than the sum of its proper divisors (80220392).

82212850 is a wasteful number, since it uses less digits than its factorization.

82212850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 82212850 is about 9067.1301964844. The cubic root of 82212850 is about 434.8237274083.

The spelling of 82212850 in words is "eighty-two million, two hundred twelve thousand, eight hundred fifty".