2281144 has 16 divisors (see below), whose sum is σ = 4295520. Its totient is φ = 1135680.

The previous prime is 2281127. The next prime is 2281151. The reversal of 2281144 is 4411822.

2281144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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, 2049 + ... + 2959.

It is an arithmetic number, because the mean of its divisors is an integer number (268470).

2^2281144 is an apocalyptic number.

It is an amenable number.

2281144 is a deficient number, since it is larger than the sum of its proper divisors (2014376).

2281144 is a wasteful number, since it uses less digits than its factorization.

2281144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230 (or 1226 counting only the distinct ones).

The product of its digits is 512, while the sum is 22.

The square root of 2281144 is about 1510.3456558020. The cubic root of 2281144 is about 131.6388967410.

Adding to 2281144 its reverse (4411822), we get a palindrome (6692966).

The spelling of 2281144 in words is "two million, two hundred eighty-one thousand, one hundred forty-four".