7220833817 has 2 divisors, whose sum is σ = 7220833818. Its totient is φ = 7220833816.

The previous prime is 7220833811. The next prime is 7220833843. The reversal of 7220833817 is 7183380227.

7220833817 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5553826576 + 1667007241 = 74524^2 + 40829^2 .

It is a cyclic number.

It is not a de Polignac number, because 7220833817 - 2²⁰ = 7219785241 is a prime.

It is not a weakly prime, because it can be changed into another prime (7220833811) 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, 3610416908 + 3610416909.

It is an arithmetic number, because the mean of its divisors is an integer number (3610416909).

Almost surely, 2^7220833817 is an apocalyptic number.

It is an amenable number.

7220833817 is a deficient number, since it is larger than the sum of its proper divisors (1).

7220833817 is an equidigital number, since it uses as much as digits as its factorization.

7220833817 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 7220833817 is about 84975.4895072691. The cubic root of 7220833817 is about 1932.8394598553.

The spelling of 7220833817 in words is "seven billion, two hundred twenty million, eight hundred thirty-three thousand, eight hundred seventeen".