2203213 has 4 divisors (see below), whose sum is σ = 2233468. Its totient is φ = 2172960.

The previous prime is 2203211. The next prime is 2203249. The reversal of 2203213 is 3123022.

It is a happy number.

2203213 is nontrivially palindromic in base 9.

2203213 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 can be written as a sum of positive squares in 2 ways, for example, as 1127844 + 1075369 = 1062^2 + 1037^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203213 - 2¹ = 2203211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2203193 and 2203202.

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 3 ways as a sum of consecutive naturals, for example, 15018 + ... + 15163.

It is an arithmetic number, because the mean of its divisors is an integer number (558367).

2^2203213 is an apocalyptic number.

It is an amenable number.

2203213 is a deficient number, since it is larger than the sum of its proper divisors (30255).

2203213 is an equidigital number, since it uses as much as digits as its factorization.

2203213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30254.

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

The square root of 2203213 is about 1484.3224043314. The cubic root of 2203213 is about 130.1224290435.

Adding to 2203213 its reverse (3123022), we get a palindrome (5326235).

The spelling of 2203213 in words is "two million, two hundred three thousand, two hundred thirteen".