2100244 has 12 divisors (see below), whose sum is σ = 3714004. Its totient is φ = 1039104.

The previous prime is 2100239. The next prime is 2100247. The reversal of 2100244 is 4420012.

It can be written as a sum of positive squares in 2 ways, for example, as 688900 + 1411344 = 830^2 + 1188^2 .

It is a super-2 number, since 2×2100244² = 8822049719072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2319 + ... + 3094.

2^2100244 is an apocalyptic number.

It is an amenable number.

2100244 is a deficient number, since it is larger than the sum of its proper divisors (1613760).

2100244 is a wasteful number, since it uses less digits than its factorization.

2100244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5514 (or 5512 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2100244 is about 1449.2218601719. The cubic root of 2100244 is about 128.0628760101.

Adding to 2100244 its reverse (4420012), we get a palindrome (6520256).

The spelling of 2100244 in words is "two million, one hundred thousand, two hundred forty-four".