2213223213 has 4 divisors (see below), whose sum is σ = 2950964288. Its totient is φ = 1475482140.

The previous prime is 2213223193. The next prime is 2213223239. The reversal of 2213223213 is 3123223122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2213223213 - 2¹² = 2213219117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2213223213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213223263) 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 3 ways as a sum of consecutive naturals, for example, 368870533 + ... + 368870538.

It is an arithmetic number, because the mean of its divisors is an integer number (737741072).

Almost surely, 2^2213223213 is an apocalyptic number.

It is an amenable number.

2213223213 is a deficient number, since it is larger than the sum of its proper divisors (737741075).

2213223213 is an equidigital number, since it uses as much as digits as its factorization.

2213223213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737741074.

The product of its digits is 864, while the sum is 21.

The square root of 2213223213 is about 47044.9063448956. The cubic root of 2213223213 is about 1303.1920007669.

Adding to 2213223213 its reverse (3123223122), we get a palindrome (5336446335).

Subtracting 2213223213 from its reverse (3123223122), we obtain a palindrome (909999909).

The spelling of 2213223213 in words is "two billion, two hundred thirteen million, two hundred twenty-three thousand, two hundred thirteen".