22112211212227 has 2 divisors, whose sum is σ = 22112211212228. Its totient is φ = 22112211212226.

The previous prime is 22112211212209. The next prime is 22112211212233. The reversal of 22112211212227 is 72221211221122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22112211212227 - 2³⁵ = 22077851473859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22112211212195 and 22112211212204.

It is not a weakly prime, because it can be changed into another prime (22112211212207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056105606113 + 11056105606114.

It is an arithmetic number, because the mean of its divisors is an integer number (11056105606114).

Almost surely, 2^{22112211212227} is an apocalyptic number.

22112211212227 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112211212227 is an equidigital number, since it uses as much as digits as its factorization.

22112211212227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792, while the sum is 28.

Adding to 22112211212227 its reverse (72221211221122), we get a palindrome (94333422433349).

The spelling of 22112211212227 in words is "twenty-two trillion, one hundred twelve billion, two hundred eleven million, two hundred twelve thousand, two hundred twenty-seven".