8224709 has 2 divisors, whose sum is σ = 8224710. Its totient is φ = 8224708.

The previous prime is 8224681. The next prime is 8224729. The reversal of 8224709 is 9074228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6477025 + 1747684 = 2545^2 + 1322^2 .

It is a cyclic number.

It is not a de Polignac number, because 8224709 - 2²⁰ = 7176133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8224729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4112354 + 4112355.

It is an arithmetic number, because the mean of its divisors is an integer number (4112355).

Almost surely, 2^8224709 is an apocalyptic number.

It is an amenable number.

8224709 is a deficient number, since it is larger than the sum of its proper divisors (1).

8224709 is an equidigital number, since it uses as much as digits as its factorization.

8224709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 8224709 is about 2867.8753459661. The cubic root of 8224709 is about 201.8553108883.

The spelling of 8224709 in words is "eight million, two hundred twenty-four thousand, seven hundred nine".