2258288 has 40 divisors (see below), whose sum is σ = 4702080. Its totient is φ = 1048320.

The previous prime is 2258287. The next prime is 2258299. The reversal of 2258288 is 8828522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258287) 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, 14306 + ... + 14462.

It is an arithmetic number, because the mean of its divisors is an integer number (117552).

2^2258288 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 2258288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2351040).

2258288 is an abundant number, since it is smaller than the sum of its proper divisors (2443792).

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

2258288 is a wasteful number, since it uses less digits than its factorization.

2258288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 219 counting only the distinct ones).

The product of its digits is 20480, while the sum is 35.

The square root of 2258288 is about 1502.7601272326. The cubic root of 2258288 is about 131.1977666683.

The spelling of 2258288 in words is "two million, two hundred fifty-eight thousand, two hundred eighty-eight".