2240837 has 2 divisors, whose sum is σ = 2240838. Its totient is φ = 2240836.

The previous prime is 2240827. The next prime is 2240839. The reversal of 2240837 is 7380422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2217121 + 23716 = 1489^2 + 154^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240837 - 2¹⁸ = 1978693 is a prime.

Together with 2240839, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2240839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120418 + 1120419.

It is an arithmetic number, because the mean of its divisors is an integer number (1120419).

2^2240837 is an apocalyptic number.

It is an amenable number.

2240837 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240837 is an equidigital number, since it uses as much as digits as its factorization.

2240837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 2240837 is about 1496.9425506679. The cubic root of 2240837 is about 130.8589472978.

The spelling of 2240837 in words is "two million, two hundred forty thousand, eight hundred thirty-seven".