22678775111 has 2 divisors, whose sum is σ = 22678775112. Its totient is φ = 22678775110.

The previous prime is 22678775087. The next prime is 22678775131. The reversal of 22678775111 is 11157787622.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22678775111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22678775131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11339387555 + 11339387556.

It is an arithmetic number, because the mean of its divisors is an integer number (11339387556).

Almost surely, 2^22678775111 is an apocalyptic number.

22678775111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22678775111 is an equidigital number, since it uses as much as digits as its factorization.

22678775111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 329280, while the sum is 47.

The spelling of 22678775111 in words is "twenty-two billion, six hundred seventy-eight million, seven hundred seventy-five thousand, one hundred eleven".