3430236221 has 2 divisors, whose sum is σ = 3430236222. Its totient is φ = 3430236220.

The previous prime is 3430236197. The next prime is 3430236233. The reversal of 3430236221 is 1226320343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3429859225 + 376996 = 58565^2 + 614^2 .

It is an emirp because it is prime and its reverse (1226320343) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3430236221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3435236221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715118110 + 1715118111.

It is an arithmetic number, because the mean of its divisors is an integer number (1715118111).

Almost surely, 2^3430236221 is an apocalyptic number.

It is an amenable number.

3430236221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3430236221 is an equidigital number, since it uses as much as digits as its factorization.

3430236221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 3430236221 is about 58568.2185233596. The cubic root of 3430236221 is about 1508.1389028206.

Adding to 3430236221 its reverse (1226320343), we get a palindrome (4656556564).

The spelling of 3430236221 in words is "three billion, four hundred thirty million, two hundred thirty-six thousand, two hundred twenty-one".