22111424537 has 2 divisors, whose sum is σ = 22111424538. Its totient is φ = 22111424536.

The previous prime is 22111424521. The next prime is 22111424539. The reversal of 22111424537 is 73542411122.

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., 12628365376 + 9483059161 = 112376^2 + 97381^2 .

It is a cyclic number.

It is not a de Polignac number, because 22111424537 - 2⁴ = 22111424521 is a prime.

Together with 22111424539, 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 (22111424539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055712268 + 11055712269.

It is an arithmetic number, because the mean of its divisors is an integer number (11055712269).

Almost surely, 2^22111424537 is an apocalyptic number.

It is an amenable number.

22111424537 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111424537 is an equidigital number, since it uses as much as digits as its factorization.

22111424537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 32.

Adding to 22111424537 its reverse (73542411122), we get a palindrome (95653835659).

The spelling of 22111424537 in words is "twenty-two billion, one hundred eleven million, four hundred twenty-four thousand, five hundred thirty-seven".