22266615121771 has 2 divisors, whose sum is σ = 22266615121772. Its totient is φ = 22266615121770.

The previous prime is 22266615121703. The next prime is 22266615121837. The reversal of 22266615121771 is 17712151666222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22266615121771 - 2³³ = 22258025187179 is a prime.

It is not a weakly prime, because it can be changed into another prime (22266615121571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11133307560885 + 11133307560886.

It is an arithmetic number, because the mean of its divisors is an integer number (11133307560886).

Almost surely, 2^{22266615121771} is an apocalyptic number.

22266615121771 is a deficient number, since it is larger than the sum of its proper divisors (1).

22266615121771 is an equidigital number, since it uses as much as digits as its factorization.

22266615121771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 49.

Adding to 22266615121771 its reverse (17712151666222), we get a palindrome (39978766787993).

The spelling of 22266615121771 in words is "twenty-two trillion, two hundred sixty-six billion, six hundred fifteen million, one hundred twenty-one thousand, seven hundred seventy-one".