2242811 has 2 divisors, whose sum is σ = 2242812. Its totient is φ = 2242810.

The previous prime is 2242789. The next prime is 2242813. The reversal of 2242811 is 1182422.

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-2242811 is a prime.

It is a Sophie Germain prime.

Together with 2242813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2242813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121405 + 1121406.

It is an arithmetic number, because the mean of its divisors is an integer number (1121406).

2^2242811 is an apocalyptic number.

2242811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242811 is an equidigital number, since it uses as much as digits as its factorization.

2242811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 256, while the sum is 20.

The square root of 2242811 is about 1497.6017494648. The cubic root of 2242811 is about 130.8973614777.

The spelling of 2242811 in words is "two million, two hundred forty-two thousand, eight hundred eleven".