8336352221 has 2 divisors, whose sum is σ = 8336352222. Its totient is φ = 8336352220.

The previous prime is 8336352217. The next prime is 8336352301. The reversal of 8336352221 is 1222536338.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7768483321 + 567868900 = 88139^2 + 23830^2 .

It is a cyclic number.

It is not a de Polignac number, because 8336352221 - 2² = 8336352217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8336352121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4168176110 + 4168176111.

It is an arithmetic number, because the mean of its divisors is an integer number (4168176111).

Almost surely, 2^8336352221 is an apocalyptic number.

It is an amenable number.

8336352221 is a deficient number, since it is larger than the sum of its proper divisors (1).

8336352221 is an equidigital number, since it uses as much as digits as its factorization.

8336352221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

The square root of 8336352221 is about 91303.6265490041. The cubic root of 8336352221 is about 2027.6454554283.

Adding to 8336352221 its reverse (1222536338), we get a palindrome (9558888559).

The spelling of 8336352221 in words is "eight billion, three hundred thirty-six million, three hundred fifty-two thousand, two hundred twenty-one".