2256748 has 12 divisors (see below), whose sum is σ = 4253200. Its totient is φ = 1041552.

The previous prime is 2256743. The next prime is 2256781. The reversal of 2256748 is 8476522.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁷ + 2¹⁷ + 5⁹ + 6⁵ + 7⁵ + 4⁷ + 8³ .

It is not an unprimeable number, because it can be changed into a prime (2256743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21648 + ... + 21751.

2^2256748 is an apocalyptic number.

It is an amenable number.

2256748 is a deficient number, since it is larger than the sum of its proper divisors (1996452).

2256748 is a wasteful number, since it uses less digits than its factorization.

2256748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43416 (or 43414 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 2256748 is about 1502.2476493575. The cubic root of 2256748 is about 131.1679372127.

The spelling of 2256748 in words is "two million, two hundred fifty-six thousand, seven hundred forty-eight".