5308221217 has 12 divisors (see below), whose sum is σ = 5798843244. Its totient is φ = 4856517120.

The previous prime is 5308221203. The next prime is 5308221271. The reversal of 5308221217 is 7121228035.

It can be written as a sum of positive squares in 6 ways, for example, as 3642846736 + 1665374481 = 60356^2 + 40809^2 .

It is not a de Polignac number, because 5308221217 - 2¹⁹ = 5307696929 is a prime.

It is a super-2 number, since 2×5308221217² = 56354424977217922178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5308221617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119884 + ... + 158077.

It is an arithmetic number, because the mean of its divisors is an integer number (483236937).

Almost surely, 2^5308221217 is an apocalyptic number.

It is an amenable number.

5308221217 is a deficient number, since it is larger than the sum of its proper divisors (490622027).

5308221217 is a wasteful number, since it uses less digits than its factorization.

5308221217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278100 (or 278087 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 5308221217 is about 72857.5405637605. The cubic root of 5308221217 is about 1744.4144325225.

The spelling of 5308221217 in words is "five billion, three hundred eight million, two hundred twenty-one thousand, two hundred seventeen".