5422780217 has 2 divisors, whose sum is σ = 5422780218. Its totient is φ = 5422780216.

The previous prime is 5422780159. The next prime is 5422780249. The reversal of 5422780217 is 7120872245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3501798976 + 1920981241 = 59176^2 + 43829^2 .

It is a cyclic number.

It is not a de Polignac number, because 5422780217 - 2²⁰ = 5421731641 is a prime.

It is not a weakly prime, because it can be changed into another prime (5422740217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2711390108 + 2711390109.

It is an arithmetic number, because the mean of its divisors is an integer number (2711390109).

Almost surely, 2^5422780217 is an apocalyptic number.

It is an amenable number.

5422780217 is a deficient number, since it is larger than the sum of its proper divisors (1).

5422780217 is an equidigital number, since it uses as much as digits as its factorization.

5422780217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 5422780217 is about 73639.5289026213. The cubic root of 5422780217 is about 1756.8742100302.

The spelling of 5422780217 in words is "five billion, four hundred twenty-two million, seven hundred eighty thousand, two hundred seventeen".