2240317 has 2 divisors, whose sum is σ = 2240318. Its totient is φ = 2240316.

The previous prime is 2240299. The next prime is 2240321. The reversal of 2240317 is 7130422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2232036 + 8281 = 1494^2 + 91^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240317 - 2¹⁵ = 2207549 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2240294 and 2240303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2240377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120158 + 1120159.

It is an arithmetic number, because the mean of its divisors is an integer number (1120159).

2^2240317 is an apocalyptic number.

It is an amenable number.

2240317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240317 is an equidigital number, since it uses as much as digits as its factorization.

2240317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2240317 is about 1496.7688532302. The cubic root of 2240317 is about 130.8488243070.

Adding to 2240317 its reverse (7130422), we get a palindrome (9370739).

The spelling of 2240317 in words is "two million, two hundred forty thousand, three hundred seventeen".