8022681 has 6 divisors (see below), whose sum is σ = 11588330. Its totient is φ = 5348448.

The previous prime is 8022671. The next prime is 8022683. The reversal of 8022681 is 1862208.

It can be written as a sum of positive squares in only one way, i.e., 4473225 + 3549456 = 2115^2 + 1884^2 .

It is not a de Polignac number, because 8022681 - 2⁹ = 8022169 is a prime.

It is a super-2 number, since 2×8022681² = 128726820855522, which contains 22 as substring.

It is a Duffinian number.

8022681 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8022683) 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 5 ways as a sum of consecutive naturals, for example, 445696 + ... + 445713.

Almost surely, 2^8022681 is an apocalyptic number.

It is an amenable number.

8022681 is a deficient number, since it is larger than the sum of its proper divisors (3565649).

8022681 is a wasteful number, since it uses less digits than its factorization.

8022681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891415 (or 891412 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 8022681 is about 2832.4337591548. The cubic root of 8022681 is about 200.1888299934.

Adding to 8022681 its reverse (1862208), we get a palindrome (9884889).

The spelling of 8022681 in words is "eight million, twenty-two thousand, six hundred eighty-one".