2203221 has 8 divisors (see below), whose sum is σ = 3092320. Its totient is φ = 1391472.

The previous prime is 2203211. The next prime is 2203249. The reversal of 2203221 is 1223022.

2203221 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 not a de Polignac number, because 2203221 - 2⁵ = 2203189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2203197 and 2203206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203211) 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, 19270 + ... + 19383.

It is an arithmetic number, because the mean of its divisors is an integer number (386540).

2^2203221 is an apocalyptic number.

It is an amenable number.

2203221 is a deficient number, since it is larger than the sum of its proper divisors (889099).

2203221 is a wasteful number, since it uses less digits than its factorization.

2203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38675.

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

The square root of 2203221 is about 1484.3250991612. The cubic root of 2203221 is about 130.1225865375.

Adding to 2203221 its reverse (1223022), we get a palindrome (3426243).

The spelling of 2203221 in words is "two million, two hundred three thousand, two hundred twenty-one".