8022332221 has 2 divisors, whose sum is σ = 8022332222. Its totient is φ = 8022332220.

The previous prime is 8022332207. The next prime is 8022332237. The reversal of 8022332221 is 1222332208.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7121672100 + 900660121 = 84390^2 + 30011^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8022332221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8022332261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4011166110 + 4011166111.

It is an arithmetic number, because the mean of its divisors is an integer number (4011166111).

Almost surely, 2^8022332221 is an apocalyptic number.

It is an amenable number.

8022332221 is a deficient number, since it is larger than the sum of its proper divisors (1).

8022332221 is an equidigital number, since it uses as much as digits as its factorization.

8022332221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 8022332221 is about 89567.4730077834. The cubic root of 8022332221 is about 2001.8592894025.

Adding to 8022332221 its reverse (1222332208), we get a palindrome (9244664429).

The spelling of 8022332221 in words is "eight billion, twenty-two million, three hundred thirty-two thousand, two hundred twenty-one".