22442400271 has 2 divisors, whose sum is σ = 22442400272. Its totient is φ = 22442400270.

The previous prime is 22442400269. The next prime is 22442400301. The reversal of 22442400271 is 17200424422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22442400271 - 2¹ = 22442400269 is a prime.

It is a super-2 number, since 2×22442400271² (a number of 22 digits) contains 22 as substring.

Together with 22442400269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22442400671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11221200135 + 11221200136.

It is an arithmetic number, because the mean of its divisors is an integer number (11221200136).

Almost surely, 2^22442400271 is an apocalyptic number.

22442400271 is a deficient number, since it is larger than the sum of its proper divisors (1).

22442400271 is an equidigital number, since it uses as much as digits as its factorization.

22442400271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 28.

Adding to 22442400271 its reverse (17200424422), we get a palindrome (39642824693).

The spelling of 22442400271 in words is "twenty-two billion, four hundred forty-two million, four hundred thousand, two hundred seventy-one".