22066554122537 has 2 divisors, whose sum is σ = 22066554122538. Its totient is φ = 22066554122536.

The previous prime is 22066554122519. The next prime is 22066554122539. The reversal of 22066554122537 is 73522145566022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14492670341776 + 7573883780761 = 3806924^2 + 2752069^2 .

It is a cyclic number.

It is not a de Polignac number, because 22066554122537 - 2³² = 22062259155241 is a prime.

It is a super-2 number, since 2×22066554122537² (a number of 27 digits) contains 22 as substring.

Together with 22066554122539, 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 (22066554122539) 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, 11033277061268 + 11033277061269.

It is an arithmetic number, because the mean of its divisors is an integer number (11033277061269).

Almost surely, 2^{22066554122537} is an apocalyptic number.

It is an amenable number.

22066554122537 is a deficient number, since it is larger than the sum of its proper divisors (1).

22066554122537 is an equidigital number, since it uses as much as digits as its factorization.

22066554122537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048000, while the sum is 50.

Adding to 22066554122537 its reverse (73522145566022), we get a palindrome (95588699688559).

The spelling of 22066554122537 in words is "twenty-two trillion, sixty-six billion, five hundred fifty-four million, one hundred twenty-two thousand, five hundred thirty-seven".