22143344233 has 2 divisors, whose sum is σ = 22143344234. Its totient is φ = 22143344232.

The previous prime is 22143344143. The next prime is 22143344243. The reversal of 22143344233 is 33244334122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21191498329 + 951845904 = 145573^2 + 30852^2 .

It is a cyclic number.

It is not a de Polignac number, because 22143344233 - 2⁹ = 22143343721 is a prime.

It is a super-2 number, since 2×22143344233² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22143344195 and 22143344204.

It is not a weakly prime, because it can be changed into another prime (22143344243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071672116 + 11071672117.

It is an arithmetic number, because the mean of its divisors is an integer number (11071672117).

Almost surely, 2^22143344233 is an apocalyptic number.

It is an amenable number.

22143344233 is a deficient number, since it is larger than the sum of its proper divisors (1).

22143344233 is an equidigital number, since it uses as much as digits as its factorization.

22143344233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 31.

Adding to 22143344233 its reverse (33244334122), we get a palindrome (55387678355).

The spelling of 22143344233 in words is "twenty-two billion, one hundred forty-three million, three hundred forty-four thousand, two hundred thirty-three".