2258312 has 32 divisors (see below), whose sum is σ = 4944000. Its totient is φ = 966672.

The previous prime is 2258299. The next prime is 2258323. The reversal of 2258312 is 2138522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2333 + ... + 3155.

It is an arithmetic number, because the mean of its divisors is an integer number (154500).

2^2258312 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 2258312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2472000).

2258312 is an abundant number, since it is smaller than the sum of its proper divisors (2685688).

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

2258312 is an equidigital number, since it uses as much as digits as its factorization.

2258312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 832 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 2258312 is about 1502.7681125177. The cubic root of 2258312 is about 131.1982314356.

The spelling of 2258312 in words is "two million, two hundred fifty-eight thousand, three hundred twelve".