3467221 has 2 divisors, whose sum is σ = 3467222. Its totient is φ = 3467220.

The previous prime is 3467213. The next prime is 3467239. The reversal of 3467221 is 1227643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1932100 + 1535121 = 1390^2 + 1239^2 .

It is a cyclic number.

It is not a de Polignac number, because 3467221 - 2³ = 3467213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3467251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1733610 + 1733611.

It is an arithmetic number, because the mean of its divisors is an integer number (1733611).

Almost surely, 2^3467221 is an apocalyptic number.

It is an amenable number.

3467221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3467221 is an equidigital number, since it uses as much as digits as its factorization.

3467221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 3467221 is about 1862.0475289315. The cubic root of 3467221 is about 151.3539785445.

The spelling of 3467221 in words is "three million, four hundred sixty-seven thousand, two hundred twenty-one".