7224280709 has 2 divisors, whose sum is σ = 7224280710. Its totient is φ = 7224280708.

The previous prime is 7224280663. The next prime is 7224280717. The reversal of 7224280709 is 9070824227.

7224280709 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5768858209 + 1455422500 = 75953^2 + 38150^2 .

It is an emirp because it is prime and its reverse (9070824227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7224280709 - 2¹² = 7224276613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7224280759) 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, 3612140354 + 3612140355.

It is an arithmetic number, because the mean of its divisors is an integer number (3612140355).

Almost surely, 2^7224280709 is an apocalyptic number.

It is an amenable number.

7224280709 is a deficient number, since it is larger than the sum of its proper divisors (1).

7224280709 is an equidigital number, since it uses as much as digits as its factorization.

7224280709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 7224280709 is about 84995.7687711571. The cubic root of 7224280709 is about 1933.1469603108.

The spelling of 7224280709 in words is "seven billion, two hundred twenty-four million, two hundred eighty thousand, seven hundred nine".