2259168 has 48 divisors (see below), whose sum is σ = 6014736. Its totient is φ = 742400.

The previous prime is 2259161. The next prime is 2259197. The reversal of 2259168 is 8619522.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2259161) 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, 9580 + ... + 9812.

It is an arithmetic number, because the mean of its divisors is an integer number (125307).

2^2259168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2259168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3007368).

2259168 is an abundant number, since it is smaller than the sum of its proper divisors (3755568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2259168 is a wasteful number, since it uses less digits than its factorization.

2259168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 339 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 2259168 is about 1503.0528932809. The cubic root of 2259168 is about 131.2148059832.

The spelling of 2259168 in words is "two million, two hundred fifty-nine thousand, one hundred sixty-eight".