3221023 has 4 divisors (see below), whose sum is σ = 3468808. Its totient is φ = 2973240.

The previous prime is 3221017. The next prime is 3221033. The reversal of 3221023 is 3201223.

It is a happy number.

3221023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3221023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 247771 = 3221023 / (3 + 2 + 2 + 1 + 0 + 2 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3220994 and 3221012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221033) 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 3 ways as a sum of consecutive naturals, for example, 123873 + ... + 123898.

It is an arithmetic number, because the mean of its divisors is an integer number (867202).

Almost surely, 2^3221023 is an apocalyptic number.

3221023 is a deficient number, since it is larger than the sum of its proper divisors (247785).

3221023 is a wasteful number, since it uses less digits than its factorization.

3221023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247784.

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

The square root of 3221023 is about 1794.7208696619. The cubic root of 3221023 is about 147.6832616307.

Adding to 3221023 its reverse (3201223), we get a palindrome (6422246).

The spelling of 3221023 in words is "three million, two hundred twenty-one thousand, twenty-three".