22112230213 has 16 divisors (see below), whose sum is σ = 23026736880. Its totient is φ = 21208190976.

The previous prime is 22112230193. The next prime is 22112230243. The reversal of 22112230213 is 31203221122.

It can be written as a sum of positive squares in 8 ways, for example, as 84327489 + 22027902724 = 9183^2 + 148418^2 .

It is a cyclic number.

It is not a de Polignac number, because 22112230213 - 2²⁹ = 21575359301 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 (22112230243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4458331 + ... + 4463287.

It is an arithmetic number, because the mean of its divisors is an integer number (1439171055).

Almost surely, 2^22112230213 is an apocalyptic number.

It is an amenable number.

22112230213 is a deficient number, since it is larger than the sum of its proper divisors (914506667).

22112230213 is a wasteful number, since it uses less digits than its factorization.

22112230213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5976.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22112230213 its reverse (31203221122), we get a palindrome (53315451335).

Subtracting 22112230213 from its reverse (31203221122), we obtain a palindrome (9090990909).

The spelling of 22112230213 in words is "twenty-two billion, one hundred twelve million, two hundred thirty thousand, two hundred thirteen".