8022281 has 2 divisors, whose sum is σ = 8022282. Its totient is φ = 8022280.

The previous prime is 8022257. The next prime is 8022307. The reversal of 8022281 is 1822208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5216656 + 2805625 = 2284^2 + 1675^2 .

It is a cyclic number.

It is not a de Polignac number, because 8022281 - 2¹⁰ = 8021257 is a prime.

It is a super-2 number, since 2×8022281² = 128713984885922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8022251) 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 as a sum of consecutive naturals, namely, 4011140 + 4011141.

It is an arithmetic number, because the mean of its divisors is an integer number (4011141).

Almost surely, 2^8022281 is an apocalyptic number.

It is an amenable number.

8022281 is a deficient number, since it is larger than the sum of its proper divisors (1).

8022281 is an equidigital number, since it uses as much as digits as its factorization.

8022281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 8022281 is about 2832.3631476207. The cubic root of 8022281 is about 200.1855028902.

Adding to 8022281 its reverse (1822208), we get a palindrome (9844489).

The spelling of 8022281 in words is "eight million, twenty-two thousand, two hundred eighty-one".