22221020027 has 2 divisors, whose sum is σ = 22221020028. Its totient is φ = 22221020026.

The previous prime is 22221019993. The next prime is 22221020051. The reversal of 22221020027 is 72002012222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22221020027 - 2¹⁶ = 22220954491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22221019990 and 22221020008.

It is not a weakly prime, because it can be changed into another prime (22221620027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110510013 + 11110510014.

It is an arithmetic number, because the mean of its divisors is an integer number (11110510014).

Almost surely, 2^22221020027 is an apocalyptic number.

22221020027 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221020027 is an equidigital number, since it uses as much as digits as its factorization.

22221020027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 20.

Adding to 22221020027 its reverse (72002012222), we get a palindrome (94223032249).

The spelling of 22221020027 in words is "twenty-two billion, two hundred twenty-one million, twenty thousand, twenty-seven".