5147220217 has 2 divisors, whose sum is σ = 5147220218. Its totient is φ = 5147220216.

The previous prime is 5147220157. The next prime is 5147220241. The reversal of 5147220217 is 7120227415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2640315456 + 2506904761 = 51384^2 + 50069^2 .

It is a cyclic number.

It is not a de Polignac number, because 5147220217 - 2¹⁵ = 5147187449 is a prime.

It is not a weakly prime, because it can be changed into another prime (5147220317) 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, 2573610108 + 2573610109.

It is an arithmetic number, because the mean of its divisors is an integer number (2573610109).

Almost surely, 2^5147220217 is an apocalyptic number.

It is an amenable number.

5147220217 is a deficient number, since it is larger than the sum of its proper divisors (1).

5147220217 is an equidigital number, since it uses as much as digits as its factorization.

5147220217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 5147220217 is about 71744.1301919537. The cubic root of 5147220217 is about 1726.5967394937.

The spelling of 5147220217 in words is "five billion, one hundred forty-seven million, two hundred twenty thousand, two hundred seventeen".