3350221 has 4 divisors (see below), whose sum is σ = 3828832. Its totient is φ = 2871612.

The previous prime is 3350219. The next prime is 3350261. The reversal of 3350221 is 1220533.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3350221 - 2¹ = 3350219 is a prime.

It is a super-2 number, since 2×3350221² = 22447961497682, which contains 22 as substring.

3350221 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3350195 and 3350204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3350261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239295 + ... + 239308.

It is an arithmetic number, because the mean of its divisors is an integer number (957208).

Almost surely, 2^3350221 is an apocalyptic number.

It is an amenable number.

3350221 is a deficient number, since it is larger than the sum of its proper divisors (478611).

3350221 is an equidigital number, since it uses as much as digits as its factorization.

3350221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478610.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 3350221 is about 1830.3608933759. The cubic root of 3350221 is about 149.6320016233.

Adding to 3350221 its reverse (1220533), we get a palindrome (4570754).

The spelling of 3350221 in words is "three million, three hundred fifty thousand, two hundred twenty-one".