2281744 has 10 divisors (see below), whose sum is σ = 4420910. Its totient is φ = 1140864.

The previous prime is 2281739. The next prime is 2281751. The reversal of 2281744 is 4471822.

It can be written as a sum of positive squares in only one way, i.e., 2214144 + 67600 = 1488^2 + 260^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71289 + ... + 71320.

It is an arithmetic number, because the mean of its divisors is an integer number (442091).

2^2281744 is an apocalyptic number.

It is an amenable number.

2281744 is a deficient number, since it is larger than the sum of its proper divisors (2139166).

2281744 is a wasteful number, since it uses less digits than its factorization.

2281744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142617 (or 142611 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 2281744 is about 1510.5442727706. The cubic root of 2281744 is about 131.6504372099.

It can be divided in two parts, 2281 and 744, that added together give a square (3025 = 55²).

The spelling of 2281744 in words is "two million, two hundred eighty-one thousand, seven hundred forty-four".