7224133409 has 2 divisors, whose sum is σ = 7224133410. Its totient is φ = 7224133408.

The previous prime is 7224133403. The next prime is 7224133439. The reversal of 7224133409 is 9043314227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4848058384 + 2376075025 = 69628^2 + 48745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7224133409 is a prime.

It is a super-2 number, since 2×7224133409² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7224133403) 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, 3612066704 + 3612066705.

It is an arithmetic number, because the mean of its divisors is an integer number (3612066705).

Almost surely, 2^7224133409 is an apocalyptic number.

It is an amenable number.

7224133409 is a deficient number, since it is larger than the sum of its proper divisors (1).

7224133409 is an equidigital number, since it uses as much as digits as its factorization.

7224133409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 7224133409 is about 84994.9022530175. The cubic root of 7224133409 is about 1933.1338215410.

The spelling of 7224133409 in words is "seven billion, two hundred twenty-four million, one hundred thirty-three thousand, four hundred nine".