3377221 has 2 divisors, whose sum is σ = 3377222. Its totient is φ = 3377220.

The previous prime is 3377207. The next prime is 3377239. The reversal of 3377221 is 1227733.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3062500 + 314721 = 1750^2 + 561^2 .

It is a cyclic number.

It is not a de Polignac number, because 3377221 - 2⁵ = 3377189 is a prime.

It is a super-2 number, since 2×3377221² = 22811243365682, which contains 22 as substring.

3377221 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3377201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1688610 + 1688611.

It is an arithmetic number, because the mean of its divisors is an integer number (1688611).

Almost surely, 2^3377221 is an apocalyptic number.

It is an amenable number.

3377221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3377221 is an equidigital number, since it uses as much as digits as its factorization.

3377221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764, while the sum is 25.

The square root of 3377221 is about 1837.7216873074. The cubic root of 3377221 is about 150.0328964886.

The spelling of 3377221 in words is "three million, three hundred seventy-seven thousand, two hundred twenty-one".