22220111227 has 2 divisors, whose sum is σ = 22220111228. Its totient is φ = 22220111226.

The previous prime is 22220111183. The next prime is 22220111261. The reversal of 22220111227 is 72211102222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22220111227 - 2⁷ = 22220111099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22220111198 and 22220111207.

It is not a weakly prime, because it can be changed into another prime (22220111267) 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, 11110055613 + 11110055614.

It is an arithmetic number, because the mean of its divisors is an integer number (11110055614).

Almost surely, 2^22220111227 is an apocalyptic number.

22220111227 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220111227 is an equidigital number, since it uses as much as digits as its factorization.

22220111227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 22220111227 its reverse (72211102222), we get a palindrome (94431213449).

The spelling of 22220111227 in words is "twenty-two billion, two hundred twenty million, one hundred eleven thousand, two hundred twenty-seven".