22788138271 has 2 divisors, whose sum is σ = 22788138272. Its totient is φ = 22788138270.

The previous prime is 22788138239. The next prime is 22788138277. The reversal of 22788138271 is 17283188722.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22788138271 - 2⁵ = 22788138239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22788138277) 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, 11394069135 + 11394069136.

It is an arithmetic number, because the mean of its divisors is an integer number (11394069136).

Almost surely, 2^22788138271 is an apocalyptic number.

22788138271 is a deficient number, since it is larger than the sum of its proper divisors (1).

22788138271 is an equidigital number, since it uses as much as digits as its factorization.

22788138271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 602112, while the sum is 49.

The spelling of 22788138271 in words is "twenty-two billion, seven hundred eighty-eight million, one hundred thirty-eight thousand, two hundred seventy-one".