8212550 has 12 divisors (see below), whose sum is σ = 15275436. Its totient is φ = 3285000.

The previous prime is 8212549. The next prime is 8212553. The reversal of 8212550 is 552128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8212553) 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 in 5 ways as a sum of consecutive naturals, for example, 82076 + ... + 82175.

It is an arithmetic number, because the mean of its divisors is an integer number (1272953).

Almost surely, 2^8212550 is an apocalyptic number.

8212550 is a deficient number, since it is larger than the sum of its proper divisors (7062886).

8212550 is a wasteful number, since it uses less digits than its factorization.

8212550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164263 (or 164258 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 8212550 is about 2865.7546999002. The cubic root of 8212550 is about 201.7557908855.

Adding to 8212550 its reverse (552128), we get a palindrome (8764678).

The spelling of 8212550 in words is "eight million, two hundred twelve thousand, five hundred fifty".