2228844 has 12 divisors (see below), whose sum is σ = 5200664. Its totient is φ = 742944.

The previous prime is 2228813. The next prime is 2228867. The reversal of 2228844 is 4488222.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-4 number, since 4×2228844⁴ (a number of 26 digits) contains 4444 as substring.

It is a d-powerful number, because it can be written as 2⁵ + 2¹⁷ + 2²¹ + 8 + 8³ + 4 + 4³ .

It is a zygodrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92857 + ... + 92880.

2^2228844 is an apocalyptic number.

It is an amenable number.

2228844 is an abundant number, since it is smaller than the sum of its proper divisors (2971820).

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

2228844 is a wasteful number, since it uses less digits than its factorization.

2228844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185744 (or 185742 counting only the distinct ones).

The product of its digits is 8192, while the sum is 30.

The square root of 2228844 is about 1492.9313447041. The cubic root of 2228844 is about 130.6250764253.

The spelling of 2228844 in words is "two million, two hundred twenty-eight thousand, eight hundred forty-four".