213222332213 has 4 divisors (see below), whose sum is σ = 232606180608. Its totient is φ = 193838483820.

The previous prime is 213222332189. The next prime is 213222332231. The reversal of 213222332213 is 312233222312.

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 a cyclic number.

It is not a de Polignac number, because 213222332213 - 2²⁶ = 213155223349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213222332233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9691924181 + ... + 9691924202.

It is an arithmetic number, because the mean of its divisors is an integer number (58151545152).

Almost surely, 2^213222332213 is an apocalyptic number.

It is an amenable number.

213222332213 is a deficient number, since it is larger than the sum of its proper divisors (19383848395).

213222332213 is a wasteful number, since it uses less digits than its factorization.

213222332213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19383848394.

The product of its digits is 5184, while the sum is 26.

Adding to 213222332213 its reverse (312233222312), we get a palindrome (525455554525).

The spelling of 213222332213 in words is "two hundred thirteen billion, two hundred twenty-two million, three hundred thirty-two thousand, two hundred thirteen".