3293221 has 2 divisors, whose sum is σ = 3293222. Its totient is φ = 3293220.

The previous prime is 3293197. The next prime is 3293231. The reversal of 3293221 is 1223923.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2265025 + 1028196 = 1505^2 + 1014^2 .

It is a cyclic number.

It is not a de Polignac number, because 3293221 - 2¹⁷ = 3162149 is a prime.

3293221 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3293192 and 3293201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3293231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1646610 + 1646611.

It is an arithmetic number, because the mean of its divisors is an integer number (1646611).

Almost surely, 2^3293221 is an apocalyptic number.

It is an amenable number.

3293221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3293221 is an equidigital number, since it uses as much as digits as its factorization.

3293221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 22.

The square root of 3293221 is about 1814.7233949007. The cubic root of 3293221 is about 148.7785398243.

The spelling of 3293221 in words is "three million, two hundred ninety-three thousand, two hundred twenty-one".