2259917 has 12 divisors (see below), whose sum is σ = 2617440. Its totient is φ = 1944360.

The previous prime is 2259913. The next prime is 2259919. The reversal of 2259917 is 7199522.

It is not a de Polignac number, because 2259917 - 2² = 2259913 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2259913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1808 + ... + 2790.

It is an arithmetic number, because the mean of its divisors is an integer number (218120).

2^2259917 is an apocalyptic number.

It is an amenable number.

2259917 is a deficient number, since it is larger than the sum of its proper divisors (357523).

2259917 is a wasteful number, since it uses less digits than its factorization.

2259917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024 (or 1013 counting only the distinct ones).

The product of its digits is 11340, while the sum is 35.

The square root of 2259917 is about 1503.3020321945. The cubic root of 2259917 is about 131.2293052783.

The spelling of 2259917 in words is "two million, two hundred fifty-nine thousand, nine hundred seventeen".