2144424 has 32 divisors (see below), whose sum is σ = 5400000. Its totient is φ = 709632.

The previous prime is 2144419. The next prime is 2144437. The reversal of 2144424 is 4244412.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2144424.

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, 4552 + ... + 5000.

It is an arithmetic number, because the mean of its divisors is an integer number (168750).

2^2144424 is an apocalyptic number.

2144424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2144424 is an abundant number, since it is smaller than the sum of its proper divisors (3255576).

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

2144424 is a wasteful number, since it uses less digits than its factorization.

2144424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 653 counting only the distinct ones).

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

The square root of 2144424 is about 1464.3851952270. The cubic root of 2144424 is about 128.9546141643.

Adding to 2144424 its reverse (4244412), we get a palindrome (6388836).

The spelling of 2144424 in words is "two million, one hundred forty-four thousand, four hundred twenty-four".