34608221 has 2 divisors, whose sum is σ = 34608222. Its totient is φ = 34608220.

The previous prime is 34608199. The next prime is 34608227. The reversal of 34608221 is 12280643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34456900 + 151321 = 5870^2 + 389^2 .

It is a cyclic number.

It is not a de Polignac number, because 34608221 - 2¹⁰ = 34607197 is a prime.

It is a super-3 number, since 3×34608221³ (a number of 24 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_2124269 and since 34608221 and 2124269 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34608227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17304110 + 17304111.

It is an arithmetic number, because the mean of its divisors is an integer number (17304111).

Almost surely, 2^34608221 is an apocalyptic number.

It is an amenable number.

34608221 is a deficient number, since it is larger than the sum of its proper divisors (1).

34608221 is an equidigital number, since it uses as much as digits as its factorization.

34608221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 34608221 is about 5882.8752324012. The cubic root of 34608221 is about 325.8815388779.

Adding to 34608221 its reverse (12280643), we get a palindrome (46888864).

The spelling of 34608221 in words is "thirty-four million, six hundred eight thousand, two hundred twenty-one".