22543105233 has 16 divisors (see below), whose sum is σ = 33847713792. Its totient is φ = 13221762000.

The previous prime is 22543105231. The next prime is 22543105261. The reversal of 22543105233 is 33250134522.

It is not a de Polignac number, because 22543105233 - 2¹ = 22543105231 is a prime.

It is a super-2 number, since 2×22543105233² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22543105233.

It is not an unprimeable number, because it can be changed into a prime (22543105231) 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, 11017113 + ... + 11019158.

It is an arithmetic number, because the mean of its divisors is an integer number (2115482112).

Almost surely, 2^22543105233 is an apocalyptic number.

It is an amenable number.

22543105233 is a deficient number, since it is larger than the sum of its proper divisors (11304608559).

22543105233 is a wasteful number, since it uses less digits than its factorization.

22543105233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22036316.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 22543105233 its reverse (33250134522), we get a palindrome (55793239755).

The spelling of 22543105233 in words is "twenty-two billion, five hundred forty-three million, one hundred five thousand, two hundred thirty-three".