3300221 has 4 divisors (see below), whose sum is σ = 3308700. Its totient is φ = 3291744.

The previous prime is 3300217. The next prime is 3300233. The reversal of 3300221 is 1220033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1220033 = 223 ⋅5471.

It can be written as a sum of positive squares in 2 ways, for example, as 1240996 + 2059225 = 1114^2 + 1435^2 .

It is a cyclic number.

It is not a de Polignac number, because 3300221 - 2² = 3300217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3300211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3626 + ... + 4443.

It is an arithmetic number, because the mean of its divisors is an integer number (827175).

Almost surely, 2^3300221 is an apocalyptic number.

It is an amenable number.

3300221 is a deficient number, since it is larger than the sum of its proper divisors (8479).

3300221 is an equidigital number, since it uses as much as digits as its factorization.

3300221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8478.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 3300221 is about 1816.6510396881. The cubic root of 3300221 is about 148.8838787164.

Adding to 3300221 its reverse (1220033), we get a palindrome (4520254).

The spelling of 3300221 in words is "three million, three hundred thousand, two hundred twenty-one".