8024221 has 8 divisors (see below), whose sum is σ = 8528760. Its totient is φ = 7523328.

The previous prime is 8024189. The next prime is 8024239. The reversal of 8024221 is 1224208.

It can be written as a sum of positive squares in 4 ways, for example, as 105625 + 7918596 = 325^2 + 2814^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8024221 - 2⁵ = 8024189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8024281) 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 7 ways as a sum of consecutive naturals, for example, 4645 + ... + 6133.

It is an arithmetic number, because the mean of its divisors is an integer number (1066095).

Almost surely, 2^8024221 is an apocalyptic number.

It is an amenable number.

8024221 is a deficient number, since it is larger than the sum of its proper divisors (504539).

8024221 is a wasteful number, since it uses less digits than its factorization.

8024221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 8024221 is about 2832.7055971279. The cubic root of 8024221 is about 200.2016383083.

Adding to 8024221 its reverse (1224208), we get a palindrome (9248429).

The spelling of 8024221 in words is "eight million, twenty-four thousand, two hundred twenty-one".