22220211227 has 2 divisors, whose sum is σ = 22220211228. Its totient is φ = 22220211226.

The previous prime is 22220211203. The next prime is 22220211239. The reversal of 22220211227 is 72211202222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22220211227 - 2²² = 22216016923 is a prime.

It is not a weakly prime, because it can be changed into another prime (22220211127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110105613 + 11110105614.

It is an arithmetic number, because the mean of its divisors is an integer number (11110105614).

Almost surely, 2^22220211227 is an apocalyptic number.

22220211227 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220211227 is an equidigital number, since it uses as much as digits as its factorization.

22220211227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 22220211227 its reverse (72211202222), we get a palindrome (94431413449).

The spelling of 22220211227 in words is "twenty-two billion, two hundred twenty million, two hundred eleven thousand, two hundred twenty-seven".