2142284 has 6 divisors (see below), whose sum is σ = 3749004. Its totient is φ = 1071140.

The previous prime is 2142281. The next prime is 2142293. The reversal of 2142284 is 4822412.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2142281) by changing a digit.

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, 267782 + ... + 267789.

It is an arithmetic number, because the mean of its divisors is an integer number (624834).

2^2142284 is an apocalyptic number.

It is an amenable number.

2142284 is a deficient number, since it is larger than the sum of its proper divisors (1606720).

2142284 is a wasteful number, since it uses less digits than its factorization.

2142284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535575 (or 535573 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

The square root of 2142284 is about 1463.6543307762. The cubic root of 2142284 is about 128.9117036946.

Adding to 2142284 its reverse (4822412), we get a palindrome (6964696).

The spelling of 2142284 in words is "two million, one hundred forty-two thousand, two hundred eighty-four".