2124444 has 36 divisors (see below), whose sum is σ = 5767944. Its totient is φ = 606816.

The previous prime is 2124443. The next prime is 2124449. The reversal of 2124444 is 4444212.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

2124444 is a modest number, since divided by 4444 gives 212 as remainder.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2124444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1219 + ... + 2394.

2^2124444 is an apocalyptic number.

It is an amenable number.

2124444 is an abundant number, since it is smaller than the sum of its proper divisors (3643500).

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

2124444 is a wasteful number, since it uses less digits than its factorization.

2124444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634 (or 3625 counting only the distinct ones).

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

The square root of 2124444 is about 1457.5472548086. The cubic root of 2124444 is about 128.5528657504.

Adding to 2124444 its reverse (4444212), we get a palindrome (6568656).

It can be divided in two parts, 212 and 4444, that added together give a triangular number (4656 = T₉₆).

The spelling of 2124444 in words is "two million, one hundred twenty-four thousand, four hundred forty-four".