2402217 has 20 divisors (see below), whose sum is σ = 3670656. Its totient is φ = 1564920.

The previous prime is 2402209. The next prime is 2402233. The reversal of 2402217 is 7122042.

2402217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2402217 - 2³ = 2402209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2402217.

It is not an unprimeable number, because it can be changed into a prime (2402297) 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 19 ways as a sum of consecutive naturals, for example, 3492 + ... + 4122.

2^2402217 is an apocalyptic number.

2402217 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2402217 is a deficient number, since it is larger than the sum of its proper divisors (1268439).

2402217 is an equidigital number, since it uses as much as digits as its factorization.

2402217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 2402217 is about 1549.9087069889. The cubic root of 2402217 is about 133.9278032413.

Adding to 2402217 its reverse (7122042), we get a palindrome (9524259).

The spelling of 2402217 in words is "two million, four hundred two thousand, two hundred seventeen".