22111002227 has 2 divisors, whose sum is σ = 22111002228. Its totient is φ = 22111002226.

The previous prime is 22111002197. The next prime is 22111002239. The reversal of 22111002227 is 72220011122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22111002227 - 2¹⁶ = 22110936691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22111002199 and 22111002208.

It is not a weakly prime, because it can be changed into another prime (22111002127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055501113 + 11055501114.

It is an arithmetic number, because the mean of its divisors is an integer number (11055501114).

Almost surely, 2^22111002227 is an apocalyptic number.

22111002227 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111002227 is an equidigital number, since it uses as much as digits as its factorization.

22111002227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 22111002227 its reverse (72220011122), we get a palindrome (94331013349).

The spelling of 22111002227 in words is "twenty-two billion, one hundred eleven million, two thousand, two hundred twenty-seven".