7422788617 has 2 divisors, whose sum is σ = 7422788618. Its totient is φ = 7422788616.

The previous prime is 7422788609. The next prime is 7422788621. The reversal of 7422788617 is 7168872247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6068254201 + 1354534416 = 77899^2 + 36804^2 .

It is an emirp because it is prime and its reverse (7168872247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7422788617 - 2³ = 7422788609 is a prime.

It is a super-3 number, since 3×7422788617³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (7422788017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3711394308 + 3711394309.

It is an arithmetic number, because the mean of its divisors is an integer number (3711394309).

Almost surely, 2^7422788617 is an apocalyptic number.

It is an amenable number.

7422788617 is a deficient number, since it is larger than the sum of its proper divisors (1).

7422788617 is an equidigital number, since it uses as much as digits as its factorization.

7422788617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2107392, while the sum is 52.

The square root of 7422788617 is about 86155.6069968751. The cubic root of 7422788617 is about 1950.6934738870.

The spelling of 7422788617 in words is "seven billion, four hundred twenty-two million, seven hundred eighty-eight thousand, six hundred seventeen".