22213333213 has 4 divisors (see below), whose sum is σ = 22233364380. Its totient is φ = 22193302048.

The previous prime is 22213333211. The next prime is 22213333223. The reversal of 22213333213 is 31233331222.

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 1030859449 + 21182473764 = 32107^2 + 145542^2 .

It is a cyclic number.

It is not a de Polignac number, because 22213333213 - 2¹ = 22213333211 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 (22213333211) 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, 10013920 + ... + 10016137.

It is an arithmetic number, because the mean of its divisors is an integer number (5558341095).

Almost surely, 2^22213333213 is an apocalyptic number.

It is an amenable number.

22213333213 is a deficient number, since it is larger than the sum of its proper divisors (20031167).

22213333213 is a wasteful number, since it uses less digits than its factorization.

22213333213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20031166.

The product of its digits is 3888, while the sum is 25.

Adding to 22213333213 its reverse (31233331222), we get a palindrome (53446664435).

The spelling of 22213333213 in words is "twenty-two billion, two hundred thirteen million, three hundred thirty-three thousand, two hundred thirteen".