2258944 has 24 divisors (see below), whose sum is σ = 4520880. Its totient is φ = 1128448.

The previous prime is 2258917. The next prime is 2258947. The reversal of 2258944 is 4498522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1497 + ... + 2599.

It is an arithmetic number, because the mean of its divisors is an integer number (188370).

2^2258944 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 2258944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2260440).

2258944 is an abundant number, since it is smaller than the sum of its proper divisors (2261936).

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

2258944 is an equidigital number, since it uses as much as digits as its factorization.

2258944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1105 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 2258944 is about 1502.9783764246. The cubic root of 2258944 is about 131.2104691230.

The spelling of 2258944 in words is "two million, two hundred fifty-eight thousand, nine hundred forty-four".