8202281 has 6 divisors (see below), whose sum is σ = 8657082. Its totient is φ = 7770240.

The previous prime is 8202277. The next prime is 8202367. The reversal of 8202281 is 1822028.

8202281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6677056 + 1525225 = 2584^2 + 1235^2 .

It is not a de Polignac number, because 8202281 - 2² = 8202277 is a prime.

It is a super-2 number, since 2×8202281² = 134554827205922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8202221) 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 in 5 ways as a sum of consecutive naturals, for example, 11000 + ... + 11721.

It is an arithmetic number, because the mean of its divisors is an integer number (1442847).

Almost surely, 2^8202281 is an apocalyptic number.

It is an amenable number.

8202281 is a deficient number, since it is larger than the sum of its proper divisors (454801).

8202281 is a wasteful number, since it uses less digits than its factorization.

8202281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22759 (or 22740 counting only the distinct ones).

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

The square root of 8202281 is about 2863.9624648378. The cubic root of 8202281 is about 201.6716637728.

The spelling of 8202281 in words is "eight million, two hundred two thousand, two hundred eighty-one".