8221324 has 12 divisors (see below), whose sum is σ = 14851648. Its totient is φ = 3978000.

The previous prime is 8221321. The next prime is 8221331. The reversal of 8221324 is 4231228.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8221295 and 8221304.

It is not an unprimeable number, because it can be changed into a prime (8221321) 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, 33027 + ... + 33274.

Almost surely, 2^8221324 is an apocalyptic number.

It is an amenable number.

8221324 is a deficient number, since it is larger than the sum of its proper divisors (6630324).

8221324 is a wasteful number, since it uses less digits than its factorization.

8221324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66336 (or 66334 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 8221324 is about 2867.2851270845. The cubic root of 8221324 is about 201.8276149140.

The spelling of 8221324 in words is "eight million, two hundred twenty-one thousand, three hundred twenty-four".