2422221271 has 2 divisors, whose sum is σ = 2422221272. Its totient is φ = 2422221270.

The previous prime is 2422221257. The next prime is 2422221283. The reversal of 2422221271 is 1721222242.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2422221271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2422221371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1211110635 + 1211110636.

It is an arithmetic number, because the mean of its divisors is an integer number (1211110636).

Almost surely, 2^2422221271 is an apocalyptic number.

2422221271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2422221271 is an equidigital number, since it uses as much as digits as its factorization.

2422221271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1792, while the sum is 25.

The square root of 2422221271 is about 49216.0672037090. The cubic root of 2422221271 is about 1342.9853377115.

The spelling of 2422221271 in words is "two billion, four hundred twenty-two million, two hundred twenty-one thousand, two hundred seventy-one".