3023221 has 8 divisors (see below), whose sum is σ = 3180600. Its totient is φ = 2869440.

The previous prime is 3023197. The next prime is 3023257. The reversal of 3023221 is 1223203.

It is a happy number.

3023221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12996 + 3010225 = 114^2 + 1735^2 .

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

It is not a de Polignac number, because 3023221 - 2¹¹ = 3021173 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 (3023621) 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, 915 + ... + 2623.

It is an arithmetic number, because the mean of its divisors is an integer number (397575).

Almost surely, 2^3023221 is an apocalyptic number.

It is an amenable number.

3023221 is a deficient number, since it is larger than the sum of its proper divisors (157379).

3023221 is a wasteful number, since it uses less digits than its factorization.

3023221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3023221 is about 1738.7412113365. The cubic root of 3023221 is about 144.5961174506.

Adding to 3023221 its reverse (1223203), we get a palindrome (4246424).

The spelling of 3023221 in words is "three million, twenty-three thousand, two hundred twenty-one".