22005250511 has 2 divisors, whose sum is σ = 22005250512. Its totient is φ = 22005250510.

The previous prime is 22005250469. The next prime is 22005250523. The reversal of 22005250511 is 11505250022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22005250511 - 2¹⁸ = 22004988367 is a prime.

It is a super-2 number, since 2×22005250511² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22005250711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11002625255 + 11002625256.

It is an arithmetic number, because the mean of its divisors is an integer number (11002625256).

Almost surely, 2^22005250511 is an apocalyptic number.

22005250511 is a deficient number, since it is larger than the sum of its proper divisors (1).

22005250511 is an equidigital number, since it uses as much as digits as its factorization.

22005250511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000, while the sum is 23.

The spelling of 22005250511 in words is "twenty-two billion, five million, two hundred fifty thousand, five hundred eleven".