22042434233 has 2 divisors, whose sum is σ = 22042434234. Its totient is φ = 22042434232.

The previous prime is 22042434229. The next prime is 22042434247. The reversal of 22042434233 is 33243424022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18310690489 + 3731743744 = 135317^2 + 61088^2 .

It is a cyclic number.

It is not a de Polignac number, because 22042434233 - 2² = 22042434229 is a prime.

It is a super-2 number, since 2×22042434233² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22042434196 and 22042434205.

It is not a weakly prime, because it can be changed into another prime (22042434283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11021217116 + 11021217117.

It is an arithmetic number, because the mean of its divisors is an integer number (11021217117).

Almost surely, 2^22042434233 is an apocalyptic number.

It is an amenable number.

22042434233 is a deficient number, since it is larger than the sum of its proper divisors (1).

22042434233 is an equidigital number, since it uses as much as digits as its factorization.

22042434233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 22042434233 its reverse (33243424022), we get a palindrome (55285858255).

The spelling of 22042434233 in words is "twenty-two billion, forty-two million, four hundred thirty-four thousand, two hundred thirty-three".