22221220220027 has 2 divisors, whose sum is σ = 22221220220028. Its totient is φ = 22221220220026.

The previous prime is 22221220220021. The next prime is 22221220220039. The reversal of 22221220220027 is 72002202212222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22221220220027 - 2⁴ = 22221220220011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22221220219978 and 22221220220005.

It is not a weakly prime, because it can be changed into another prime (22221220220021) 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, 11110610110013 + 11110610110014.

It is an arithmetic number, because the mean of its divisors is an integer number (11110610110014).

Almost surely, 2^{22221220220027} is an apocalyptic number.

22221220220027 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221220220027 is an equidigital number, since it uses as much as digits as its factorization.

22221220220027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 26.

Adding to 22221220220027 its reverse (72002202212222), we get a palindrome (94223422432249).

The spelling of 22221220220027 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred twenty million, two hundred twenty thousand, twenty-seven".