22220043271 has 2 divisors, whose sum is σ = 22220043272. Its totient is φ = 22220043270.

The previous prime is 22220043253. The next prime is 22220043331. The reversal of 22220043271 is 17234002222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22220043271 - 2⁷ = 22220043143 is a prime.

It is a super-2 number, since 2×22220043271² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22220043211) 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, 11110021635 + 11110021636.

It is an arithmetic number, because the mean of its divisors is an integer number (11110021636).

Almost surely, 2^22220043271 is an apocalyptic number.

22220043271 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220043271 is an equidigital number, since it uses as much as digits as its factorization.

22220043271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 22220043271 its reverse (17234002222), we get a palindrome (39454045493).

The spelling of 22220043271 in words is "twenty-two billion, two hundred twenty million, forty-three thousand, two hundred seventy-one".