2289217 has 8 divisors (see below), whose sum is σ = 2634176. Its totient is φ = 1948752.

The previous prime is 2289211. The next prime is 2289233. The reversal of 2289217 is 7129822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2289217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2289211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58 + ... + 2140.

It is an arithmetic number, because the mean of its divisors is an integer number (329272).

2^2289217 is an apocalyptic number.

It is an amenable number.

2289217 is a deficient number, since it is larger than the sum of its proper divisors (344959).

2289217 is a wasteful number, since it uses less digits than its factorization.

2289217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247.

The product of its digits is 4032, while the sum is 31.

The square root of 2289217 is about 1513.0158624416. The cubic root of 2289217 is about 131.7940045306.

The spelling of 2289217 in words is "two million, two hundred eighty-nine thousand, two hundred seventeen".