3221677 has 2 divisors, whose sum is σ = 3221678. Its totient is φ = 3221676.

The previous prime is 3221641. The next prime is 3221707. The reversal of 3221677 is 7761223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3076516 + 145161 = 1754^2 + 381^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221677 - 2⁷ = 3221549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3222677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610838 + 1610839.

It is an arithmetic number, because the mean of its divisors is an integer number (1610839).

Almost surely, 2^3221677 is an apocalyptic number.

It is an amenable number.

3221677 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221677 is an equidigital number, since it uses as much as digits as its factorization.

3221677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 28.

The square root of 3221677 is about 1794.9030614493. The cubic root of 3221677 is about 147.6932562108.

The spelling of 3221677 in words is "three million, two hundred twenty-one thousand, six hundred seventy-seven".