3228161 has 2 divisors, whose sum is σ = 3228162. Its totient is φ = 3228160.

The previous prime is 3228151. The next prime is 3228163. The reversal of 3228161 is 1618223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1739761 + 1488400 = 1319^2 + 1220^2 .

It is an emirp because it is prime and its reverse (1618223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3228161 - 2⁶ = 3228097 is a prime.

It is a Sophie Germain prime.

Together with 3228163, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3228163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1614080 + 1614081.

It is an arithmetic number, because the mean of its divisors is an integer number (1614081).

Almost surely, 2^3228161 is an apocalyptic number.

It is an amenable number.

3228161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3228161 is an equidigital number, since it uses as much as digits as its factorization.

3228161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

The square root of 3228161 is about 1796.7083792313. The cubic root of 3228161 is about 147.7922731032.

The spelling of 3228161 in words is "three million, two hundred twenty-eight thousand, one hundred sixty-one".