2023221 has 8 divisors (see below), whose sum is σ = 2856384. Its totient is φ = 1269440.

The previous prime is 2023211. The next prime is 2023223. The reversal of 2023221 is 1223202.

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 2023221 - 2⁶ = 2023157 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2023197 and 2023206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19785 + ... + 19886.

It is an arithmetic number, because the mean of its divisors is an integer number (357048).

2^2023221 is an apocalyptic number.

It is an amenable number.

2023221 is a deficient number, since it is larger than the sum of its proper divisors (833163).

2023221 is a wasteful number, since it uses less digits than its factorization.

2023221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39691.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2023221 is about 1422.3997328459. The cubic root of 2023221 is about 126.4778403799.

Adding to 2023221 its reverse (1223202), we get a palindrome (3246423).

The spelling of 2023221 in words is "two million, twenty-three thousand, two hundred twenty-one".