22220021027 has 2 divisors, whose sum is σ = 22220021028. Its totient is φ = 22220021026.

The previous prime is 22220020993. The next prime is 22220021059. The reversal of 22220021027 is 72012002222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22220021027 - 2¹⁴ = 22220004643 is a prime.

It is not a weakly prime, because it can be changed into another prime (22220081027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110010513 + 11110010514.

It is an arithmetic number, because the mean of its divisors is an integer number (11110010514).

Almost surely, 2^22220021027 is an apocalyptic number.

22220021027 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220021027 is an equidigital number, since it uses as much as digits as its factorization.

22220021027 is an odious number, because the sum of its binary digits is odd.

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

Adding to 22220021027 its reverse (72012002222), we get a palindrome (94232023249).

The spelling of 22220021027 in words is "twenty-two billion, two hundred twenty million, twenty-one thousand, twenty-seven".