8225281 has 4 divisors (see below), whose sum is σ = 8234964. Its totient is φ = 8215600.

The previous prime is 8225257. The next prime is 8225293. The reversal of 8225281 is 1825228.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3207681 + 5017600 = 1791^2 + 2240^2 .

It is a cyclic number.

It is not a de Polignac number, because 8225281 - 2⁷ = 8225153 is a prime.

It is a super-2 number, since 2×8225281² = 135310495057922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8225201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3430 + ... + 5311.

It is an arithmetic number, because the mean of its divisors is an integer number (2058741).

Almost surely, 2^8225281 is an apocalyptic number.

It is an amenable number.

8225281 is a deficient number, since it is larger than the sum of its proper divisors (9683).

8225281 is an equidigital number, since it uses as much as digits as its factorization.

8225281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9682.

The product of its digits is 2560, while the sum is 28.

The square root of 8225281 is about 2867.9750696267. The cubic root of 8225281 is about 201.8599902255.

The spelling of 8225281 in words is "eight million, two hundred twenty-five thousand, two hundred eighty-one".