2442217 has 4 divisors (see below), whose sum is σ = 2478736. Its totient is φ = 2405700.

The previous prime is 2442199. The next prime is 2442227. The reversal of 2442217 is 7122442.

It is a happy number.

2442217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7122442 = 2 ⋅3561221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2442217 is a prime.

It is a Duffinian number.

2442217 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2442227) 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 in 3 ways as a sum of consecutive naturals, for example, 18159 + ... + 18292.

It is an arithmetic number, because the mean of its divisors is an integer number (619684).

2^2442217 is an apocalyptic number.

It is an amenable number.

2442217 is a deficient number, since it is larger than the sum of its proper divisors (36519).

2442217 is an equidigital number, since it uses as much as digits as its factorization.

2442217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36518.

The product of its digits is 896, while the sum is 22.

The square root of 2442217 is about 1562.7594184647. The cubic root of 2442217 is about 134.6670717183.

Adding to 2442217 its reverse (7122442), we get a palindrome (9564659).

The spelling of 2442217 in words is "two million, four hundred forty-two thousand, two hundred seventeen".