2242813 has 2 divisors, whose sum is σ = 2242814. Its totient is φ = 2242812.

The previous prime is 2242811. The next prime is 2242841. The reversal of 2242813 is 3182422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1684804 + 558009 = 1298^2 + 747^2 .

It is a cyclic number.

It is not a de Polignac number, because 2242813 - 2¹ = 2242811 is a prime.

Together with 2242811, 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 (2242811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121406 + 1121407.

It is an arithmetic number, because the mean of its divisors is an integer number (1121407).

2^2242813 is an apocalyptic number.

It is an amenable number.

2242813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242813 is an equidigital number, since it uses as much as digits as its factorization.

2242813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 22.

The square root of 2242813 is about 1497.6024171989. The cubic root of 2242813 is about 130.8974003864.

The spelling of 2242813 in words is "two million, two hundred forty-two thousand, eight hundred thirteen".