2203221213 has 6 divisors (see below), whose sum is σ = 3182430654. Its totient is φ = 1468814136.

The previous prime is 2203221211. The next prime is 2203221217. The reversal of 2203221213 is 3121223022.

2203221213 is a `hidden beast` number, since 220 + 322 + 121 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2203175844 + 45369 = 46938^2 + 213^2 .

It is not a de Polignac number, because 2203221213 - 2¹ = 2203221211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203221211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122401170 + ... + 122401187.

It is an arithmetic number, because the mean of its divisors is an integer number (530405109).

Almost surely, 2^2203221213 is an apocalyptic number.

It is an amenable number.

2203221213 is a deficient number, since it is larger than the sum of its proper divisors (979209441).

2203221213 is a wasteful number, since it uses less digits than its factorization.

2203221213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244802363 (or 244802360 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2203221213 is about 46938.4832839750. The cubic root of 2203221213 is about 1301.2259073072.

Adding to 2203221213 its reverse (3121223022), we get a palindrome (5324444235).

The spelling of 2203221213 in words is "two billion, two hundred three million, two hundred twenty-one thousand, two hundred thirteen".