2678224 has 20 divisors (see below), whose sum is σ = 5262436. Its totient is φ = 1320192.

The previous prime is 2678219. The next prime is 2678227. The reversal of 2678224 is 4228762.

2678224 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 1140624 + 1537600 = 1068^2 + 1240^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678227) 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, 22 + ... + 2314.

2^2678224 is an apocalyptic number.

It is an amenable number.

2678224 is a deficient number, since it is larger than the sum of its proper divisors (2584212).

2678224 is a wasteful number, since it uses less digits than its factorization.

2678224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374 (or 2368 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 2678224 is about 1636.5280321461. The cubic root of 2678224 is about 138.8723013316.

The spelling of 2678224 in words is "two million, six hundred seventy-eight thousand, two hundred twenty-four".