2256724 has 12 divisors (see below), whose sum is σ = 3967348. Its totient is φ = 1123200.

The previous prime is 2256721. The next prime is 2256731. The reversal of 2256724 is 4276522.

2256724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1587600 + 669124 = 1260^2 + 818^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2256692 and 2256701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207 + ... + 2134.

2^2256724 is an apocalyptic number.

It is an amenable number.

2256724 is a deficient number, since it is larger than the sum of its proper divisors (1710624).

2256724 is a wasteful number, since it uses less digits than its factorization.

2256724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586 (or 2584 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 2256724 is about 1502.2396613057. The cubic root of 2256724 is about 131.1674722307.

It can be divided in two parts, 225 and 6724, that multiplied together give a square (1512900 = 1230²).

The spelling of 2256724 in words is "two million, two hundred fifty-six thousand, seven hundred twenty-four".