7224089 has 2 divisors, whose sum is σ = 7224090. Its totient is φ = 7224088.

The previous prime is 7224073. The next prime is 7224097. The reversal of 7224089 is 9804227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7198489 + 25600 = 2683^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 7224089 - 2⁴ = 7224073 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7224029) 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 as a sum of consecutive naturals, namely, 3612044 + 3612045.

It is an arithmetic number, because the mean of its divisors is an integer number (3612045).

Almost surely, 2^7224089 is an apocalyptic number.

It is an amenable number.

7224089 is a deficient number, since it is larger than the sum of its proper divisors (1).

7224089 is an equidigital number, since it uses as much as digits as its factorization.

7224089 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 7224089 is about 2687.7665449216. The cubic root of 7224089 is about 193.3129860341.

The spelling of 7224089 in words is "seven million, two hundred twenty-four thousand, eighty-nine".