2144284 has 12 divisors (see below), whose sum is σ = 3762808. Its totient is φ = 1069200.

The previous prime is 2144279. The next prime is 2144287. The reversal of 2144284 is 4824412.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144287) 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, 2239 + ... + 3049.

2^2144284 is an apocalyptic number.

It is an amenable number.

2144284 is a deficient number, since it is larger than the sum of its proper divisors (1618524).

2144284 is a wasteful number, since it uses less digits than its factorization.

2144284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476 (or 1474 counting only the distinct ones).

The product of its digits is 2048, while the sum is 25.

The square root of 2144284 is about 1464.3373928163. The cubic root of 2144284 is about 128.9518078102.

Adding to 2144284 its reverse (4824412), we get a palindrome (6968696).

The spelling of 2144284 in words is "two million, one hundred forty-four thousand, two hundred eighty-four".