2243828 has 12 divisors (see below), whose sum is σ = 4033092. Its totient is φ = 1091520.

The previous prime is 2243821. The next prime is 2243833. The reversal of 2243828 is 8283422.

2243828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1669264 + 574564 = 1292^2 + 758^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2243828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243821) 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, 7433 + ... + 7728.

It is an arithmetic number, because the mean of its divisors is an integer number (336091).

2^2243828 is an apocalyptic number.

It is an amenable number.

2243828 is a deficient number, since it is larger than the sum of its proper divisors (1789264).

2243828 is a wasteful number, since it uses less digits than its factorization.

2243828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15202 (or 15200 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 2243828 is about 1497.9412538548. The cubic root of 2243828 is about 130.9171435726.

The spelling of 2243828 in words is "two million, two hundred forty-three thousand, eight hundred twenty-eight".