336008221 has 2 divisors, whose sum is σ = 336008222. Its totient is φ = 336008220.

The previous prime is 336008203. The next prime is 336008237. The reversal of 336008221 is 122800633.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 335988900 + 19321 = 18330^2 + 139^2 .

It is a cyclic number.

It is not a de Polignac number, because 336008221 - 2²¹ = 333911069 is a prime.

It is a super-2 number, since 2×336008221² = 225803049159169682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (336008021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168004110 + 168004111.

It is an arithmetic number, because the mean of its divisors is an integer number (168004111).

Almost surely, 2^336008221 is an apocalyptic number.

It is an amenable number.

336008221 is a deficient number, since it is larger than the sum of its proper divisors (1).

336008221 is an equidigital number, since it uses as much as digits as its factorization.

336008221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 336008221 is about 18330.5270246112. The cubic root of 336008221 is about 695.2109988547.

Adding to 336008221 its reverse (122800633), we get a palindrome (458808854).

The spelling of 336008221 in words is "three hundred thirty-six million, eight thousand, two hundred twenty-one".