22243235234201 has 2 divisors, whose sum is σ = 22243235234202. Its totient is φ = 22243235234200.

The previous prime is 22243235234189. The next prime is 22243235234203. The reversal of 22243235234201 is 10243253234222.

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., 14289571824025 + 7953663410176 = 3780155^2 + 2820224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22243235234201 is a prime.

Together with 22243235234203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22243235234203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11121617617100 + 11121617617101.

It is an arithmetic number, because the mean of its divisors is an integer number (11121617617101).

Almost surely, 2^{22243235234201} is an apocalyptic number.

It is an amenable number.

22243235234201 is a deficient number, since it is larger than the sum of its proper divisors (1).

22243235234201 is an equidigital number, since it uses as much as digits as its factorization.

22243235234201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 22243235234201 its reverse (10243253234222), we get a palindrome (32486488468423).

The spelling of 22243235234201 in words is "twenty-two trillion, two hundred forty-three billion, two hundred thirty-five million, two hundred thirty-four thousand, two hundred one".