22201211233 has 4 divisors (see below), whose sum is σ = 22404892180. Its totient is φ = 21997530288.

The previous prime is 22201211129. The next prime is 22201211293. The reversal of 22201211233 is 33211210222.

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 5798517904 + 16402693329 = 76148^2 + 128073^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22201211233 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 22201211233.

It is not an unprimeable number, because it can be changed into a prime (22201211293) 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, 101840310 + ... + 101840527.

It is an arithmetic number, because the mean of its divisors is an integer number (5601223045).

Almost surely, 2^22201211233 is an apocalyptic number.

It is an amenable number.

22201211233 is a deficient number, since it is larger than the sum of its proper divisors (203680947).

22201211233 is a wasteful number, since it uses less digits than its factorization.

22201211233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203680946.

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

Adding to 22201211233 its reverse (33211210222), we get a palindrome (55412421455).

The spelling of 22201211233 in words is "twenty-two billion, two hundred one million, two hundred eleven thousand, two hundred thirty-three".