2242871 has 2 divisors, whose sum is σ = 2242872. Its totient is φ = 2242870.

The previous prime is 2242847. The next prime is 2242873. The reversal of 2242871 is 1782422.

2242871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2242871 is a prime.

It is a Sophie Germain prime.

Together with 2242873, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2242871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2242873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121435 + 1121436.

It is an arithmetic number, because the mean of its divisors is an integer number (1121436).

2^2242871 is an apocalyptic number.

2242871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242871 is an equidigital number, since it uses as much as digits as its factorization.

2242871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1792, while the sum is 26.

The square root of 2242871 is about 1497.6217813587. The cubic root of 2242871 is about 130.8985287289.

It can be divided in two parts, 2242 and 871, that added together give a palindrome (3113).

The spelling of 2242871 in words is "two million, two hundred forty-two thousand, eight hundred seventy-one".