80224009 has 2 divisors, whose sum is σ = 80224010. Its totient is φ = 80224008.

The previous prime is 80223959. The next prime is 80224013. The reversal of 80224009 is 90042208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78057225 + 2166784 = 8835^2 + 1472^2 .

It is a cyclic number.

It is not a de Polignac number, because 80224009 - 2⁹ = 80223497 is a prime.

It is not a weakly prime, because it can be changed into another prime (80224019) 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 as a sum of consecutive naturals, namely, 40112004 + 40112005.

It is an arithmetic number, because the mean of its divisors is an integer number (40112005).

Almost surely, 2^80224009 is an apocalyptic number.

It is an amenable number.

80224009 is a deficient number, since it is larger than the sum of its proper divisors (1).

80224009 is an equidigital number, since it uses as much as digits as its factorization.

80224009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 80224009 is about 8956.7856399492. The cubic root of 80224009 is about 431.2887405091.

The spelling of 80224009 in words is "eighty million, two hundred twenty-four thousand, nine".