3221241409 has 2 divisors, whose sum is σ = 3221241410. Its totient is φ = 3221241408.

The previous prime is 3221241391. The next prime is 3221241431. The reversal of 3221241409 is 9041421223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3040419600 + 180821809 = 55140^2 + 13447^2 .

It is an emirp because it is prime and its reverse (9041421223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3221241409 - 2¹³ = 3221233217 is a prime.

It is not a weakly prime, because it can be changed into another prime (3221241479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610620704 + 1610620705.

It is an arithmetic number, because the mean of its divisors is an integer number (1610620705).

Almost surely, 2^3221241409 is an apocalyptic number.

It is an amenable number.

3221241409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221241409 is an equidigital number, since it uses as much as digits as its factorization.

3221241409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 3221241409 is about 56755.9812618899. The cubic root of 3221241409 is about 1476.8659955829.

The spelling of 3221241409 in words is "three billion, two hundred twenty-one million, two hundred forty-one thousand, four hundred nine".