3312221 has 8 divisors (see below), whose sum is σ = 3665088. Its totient is φ = 2968000.

The previous prime is 3312217. The next prime is 3312227. The reversal of 3312221 is 1222133.

It is a happy number.

3312221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3312221 - 2² = 3312217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3312196 and 3312205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3312227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1340 + ... + 2901.

It is an arithmetic number, because the mean of its divisors is an integer number (458136).

Almost surely, 2^3312221 is an apocalyptic number.

It is an amenable number.

3312221 is a deficient number, since it is larger than the sum of its proper divisors (352867).

3312221 is a wasteful number, since it uses less digits than its factorization.

3312221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323.

The product of its digits is 72, while the sum is 14.

The square root of 3312221 is about 1819.9508235114. The cubic root of 3312221 is about 149.0641136633.

Adding to 3312221 its reverse (1222133), we get a palindrome (4534354).

It can be divided in two parts, 331 and 2221, that added together give a palindrome (2552).

The spelling of 3312221 in words is "three million, three hundred twelve thousand, two hundred twenty-one".