2144422 has 16 divisors (see below), whose sum is σ = 3755520. Its totient is φ = 899208.

The previous prime is 2144419. The next prime is 2144437. The reversal of 2144422 is 2244412.

It is a self number, because there is not a number n which added to its sum of digits gives 2144422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972 + ... + 2287.

It is an arithmetic number, because the mean of its divisors is an integer number (234720).

2^2144422 is an apocalyptic number.

2144422 is a deficient number, since it is larger than the sum of its proper divisors (1611098).

2144422 is a wasteful number, since it uses less digits than its factorization.

2144422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315.

The product of its digits is 512, while the sum is 19.

The square root of 2144422 is about 1464.3845123464. The cubic root of 2144422 is about 128.9545740743.

Adding to 2144422 its reverse (2244412), we get a palindrome (4388834).

The spelling of 2144422 in words is "two million, one hundred forty-four thousand, four hundred twenty-two".