3339221 has 2 divisors, whose sum is σ = 3339222. Its totient is φ = 3339220.

The previous prime is 3339179. The next prime is 3339229. The reversal of 3339221 is 1229333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2436721 + 902500 = 1561^2 + 950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3339221 is a prime.

It is a super-2 number, since 2×3339221² = 22300793773682, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3339229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1669610 + 1669611.

It is an arithmetic number, because the mean of its divisors is an integer number (1669611).

Almost surely, 2^3339221 is an apocalyptic number.

It is an amenable number.

3339221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3339221 is an equidigital number, since it uses as much as digits as its factorization.

3339221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 23.

The square root of 3339221 is about 1827.3535509036. The cubic root of 3339221 is about 149.4680565451.

The spelling of 3339221 in words is "three million, three hundred thirty-nine thousand, two hundred twenty-one".