3348221 has 4 divisors (see below), whose sum is σ = 3380832. Its totient is φ = 3315612.

The previous prime is 3348157. The next prime is 3348223. The reversal of 3348221 is 1228433.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1228433 = 577 ⋅2129.

It is a cyclic number.

It is not a de Polignac number, because 3348221 - 2⁶ = 3348157 is a prime.

It is a super-2 number, since 2×3348221² = 22421167729682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3348223) 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, 16151 + ... + 16356.

It is an arithmetic number, because the mean of its divisors is an integer number (845208).

Almost surely, 2^3348221 is an apocalyptic number.

It is an amenable number.

3348221 is a deficient number, since it is larger than the sum of its proper divisors (32611).

3348221 is a wasteful number, since it uses less digits than its factorization.

3348221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32610.

The product of its digits is 1152, while the sum is 23.

The square root of 3348221 is about 1829.8144714697. The cubic root of 3348221 is about 149.6022201478.

The spelling of 3348221 in words is "three million, three hundred forty-eight thousand, two hundred twenty-one".