2028244 has 12 divisors (see below), whose sum is σ = 3565044. Its totient is φ = 1009664.

The previous prime is 2028241. The next prime is 2028263. The reversal of 2028244 is 4428202.

It can be written as a sum of positive squares in 2 ways, for example, as 1368900 + 659344 = 1170^2 + 812^2 .

It is a super-2 number, since 2×2028244² = 8227547447072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42 + ... + 2014.

It is an arithmetic number, because the mean of its divisors is an integer number (297087).

2^2028244 is an apocalyptic number.

It is an amenable number.

2028244 is a deficient number, since it is larger than the sum of its proper divisors (1536800).

2028244 is a wasteful number, since it uses less digits than its factorization.

2028244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234 (or 2232 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2028244 is about 1424.1643163624. The cubic root of 2028244 is about 126.5824216672.

The spelling of 2028244 in words is "two million, twenty-eight thousand, two hundred forty-four".