3356221 has 4 divisors (see below), whose sum is σ = 3661344. Its totient is φ = 3051100.

The previous prime is 3356209. The next prime is 3356237. The reversal of 3356221 is 1226533.

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 3356221 - 2¹¹ = 3354173 is a prime.

It is a super-2 number, since 2×3356221² = 22528438801682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3356192 and 3356201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3356921) 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, 152545 + ... + 152566.

It is an arithmetic number, because the mean of its divisors is an integer number (915336).

Almost surely, 2^3356221 is an apocalyptic number.

It is an amenable number.

3356221 is a deficient number, since it is larger than the sum of its proper divisors (305123).

3356221 is a wasteful number, since it uses less digits than its factorization.

3356221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305122.

The product of its digits is 1080, while the sum is 22.

The square root of 3356221 is about 1831.9991812225. Note that the first 3 decimals coincide. The cubic root of 3356221 is about 149.7212749959.

It can be divided in two parts, 335 and 6221, that added together give a palindrome (6556).

The spelling of 3356221 in words is "three million, three hundred fifty-six thousand, two hundred twenty-one".