3298221 has 12 divisors (see below), whose sum is σ = 5044572. Its totient is φ = 2069376.

The previous prime is 3298201. The next prime is 3298247. The reversal of 3298221 is 1228923.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1368900 + 1929321 = 1170^2 + 1389^2 .

It is not a de Polignac number, because 3298221 - 2⁵ = 3298189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3298201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10626 + ... + 10931.

It is an arithmetic number, because the mean of its divisors is an integer number (420381).

Almost surely, 2^3298221 is an apocalyptic number.

It is an amenable number.

3298221 is a deficient number, since it is larger than the sum of its proper divisors (1746351).

3298221 is a wasteful number, since it uses less digits than its factorization.

3298221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21580 (or 21577 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 3298221 is about 1816.1004928142. The cubic root of 3298221 is about 148.8537971018.

The spelling of 3298221 in words is "three million, two hundred ninety-eight thousand, two hundred twenty-one".