2244421 has 4 divisors (see below), whose sum is σ = 2256012. Its totient is φ = 2232832.

The previous prime is 2244401. The next prime is 2244427. The reversal of 2244421 is 1244422.

2244421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1999396 + 245025 = 1414^2 + 495^2 .

It is a cyclic number.

It is not a de Polignac number, because 2244421 - 2⁹ = 2243909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500 + ... + 5893.

It is an arithmetic number, because the mean of its divisors is an integer number (564003).

2^2244421 is an apocalyptic number.

It is an amenable number.

2244421 is a deficient number, since it is larger than the sum of its proper divisors (11591).

2244421 is a wasteful number, since it uses less digits than its factorization.

2244421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11590.

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

The square root of 2244421 is about 1498.1391791152. The cubic root of 2244421 is about 130.9286755065.

Adding to 2244421 its reverse (1244422), we get a palindrome (3488843).

Subtracting from 2244421 its reverse (1244422), we obtain a palindrome (999999).

The spelling of 2244421 in words is "two million, two hundred forty-four thousand, four hundred twenty-one".