2243256 has 32 divisors (see below), whose sum is σ = 5654400. Its totient is φ = 741600.

The previous prime is 2243251. The next prime is 2243257. The reversal of 2243256 is 6523422.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a d-powerful number, because it can be written as 2³ + 2⁵ + 4⁸ + 3⁷ + 2²¹ + 5⁷ + 6³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243251) 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, 3315 + ... + 3933.

It is an arithmetic number, because the mean of its divisors is an integer number (176700).

2^2243256 is an apocalyptic number.

It is an amenable number.

2243256 is an abundant number, since it is smaller than the sum of its proper divisors (3411144).

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

2243256 is a wasteful number, since it uses less digits than its factorization.

2243256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779 (or 775 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 2243256 is about 1497.7503129694. The cubic root of 2243256 is about 130.9060180957.

Adding to 2243256 its reverse (6523422), we get a palindrome (8766678).

The spelling of 2243256 in words is "two million, two hundred forty-three thousand, two hundred fifty-six".