22211221110227 has 2 divisors, whose sum is σ = 22211221110228. Its totient is φ = 22211221110226.

The previous prime is 22211221110187. The next prime is 22211221110251. The reversal of 22211221110227 is 72201112211222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22211221110227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22211221110196 and 22211221110205.

It is not a weakly prime, because it can be changed into another prime (22211221190227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105610555113 + 11105610555114.

It is an arithmetic number, because the mean of its divisors is an integer number (11105610555114).

Almost surely, 2^{22211221110227} is an apocalyptic number.

22211221110227 is a deficient number, since it is larger than the sum of its proper divisors (1).

22211221110227 is an equidigital number, since it uses as much as digits as its factorization.

22211221110227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 22211221110227 its reverse (72201112211222), we get a palindrome (94412333321449).

The spelling of 22211221110227 in words is "twenty-two trillion, two hundred eleven billion, two hundred twenty-one million, one hundred ten thousand, two hundred twenty-seven".