8280229 has 4 divisors (see below), whose sum is σ = 8301484. Its totient is φ = 8258976.

The previous prime is 8280199. The next prime is 8280247. The reversal of 8280229 is 9220828.

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 7128900 + 1151329 = 2670^2 + 1073^2 .

It is a cyclic number.

It is not a de Polignac number, because 8280229 - 2⁵ = 8280197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8280229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8280289) 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 3 ways as a sum of consecutive naturals, for example, 10032 + ... + 10825.

It is an arithmetic number, because the mean of its divisors is an integer number (2075371).

It is a Poulet number, since it divides 2^8280228-1.

Almost surely, 2^8280229 is an apocalyptic number.

It is an amenable number.

8280229 is a deficient number, since it is larger than the sum of its proper divisors (21255).

8280229 is a wasteful number, since it uses less digits than its factorization.

8280229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21254.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 8280229 is about 2877.5387052132. The cubic root of 8280229 is about 202.3084934378.

The spelling of 8280229 in words is "eight million, two hundred eighty thousand, two hundred twenty-nine".