2144442 has 16 divisors (see below), whose sum is σ = 4304160. Its totient is φ = 712272.

The previous prime is 2144437. The next prime is 2144449. The reversal of 2144442 is 2444412.

It is not an unprimeable number, because it can be changed into a prime (2144449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2088 + ... + 2940.

It is an arithmetic number, because the mean of its divisors is an integer number (269010).

2^2144442 is an apocalyptic number.

2144442 is an abundant number, since it is smaller than the sum of its proper divisors (2159718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2144442 is a wasteful number, since it uses less digits than its factorization.

2144442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277.

The product of its digits is 1024, while the sum is 21.

The square root of 2144442 is about 1464.3913411380. The cubic root of 2144442 is about 128.9549749723.

Adding to 2144442 its reverse (2444412), we get a palindrome (4588854).

It can be divided in two parts, 214 and 4442, that added together give a triangular number (4656 = T₉₆).

The spelling of 2144442 in words is "two million, one hundred forty-four thousand, four hundred forty-two".