2239445 has 16 divisors (see below), whose sum is σ = 2927232. Its totient is φ = 1634880.

The previous prime is 2239417. The next prime is 2239453. The reversal of 2239445 is 5449322.

2239445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2239445 - 2¹⁰ = 2238421 is a prime.

It is a super-2 number, since 2×2239445² = 10030227816050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8384 + ... + 8646.

It is an arithmetic number, because the mean of its divisors is an integer number (182952).

2^2239445 is an apocalyptic number.

It is an amenable number.

2239445 is a deficient number, since it is larger than the sum of its proper divisors (687787).

2239445 is a wasteful number, since it uses less digits than its factorization.

2239445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412.

The product of its digits is 8640, while the sum is 29.

The square root of 2239445 is about 1496.4775307368. The cubic root of 2239445 is about 130.8318453137.

The spelling of 2239445 in words is "two million, two hundred thirty-nine thousand, four hundred forty-five".