2078224 has 20 divisors (see below), whose sum is σ = 4053436. Its totient is φ = 1032192.

The previous prime is 2078221. The next prime is 2078243. The reversal of 2078224 is 4228702.

2078224 = 97² + 98² + ... + 192².

It can be written as a sum of positive squares in 2 ways, for example, as 589824 + 1488400 = 768^2 + 1220^2 .

It is not an unprimeable number, because it can be changed into a prime (2078221) 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, 2752 + ... + 3424.

2^2078224 is an apocalyptic number.

It is an amenable number.

2078224 is a deficient number, since it is larger than the sum of its proper divisors (1975212).

2078224 is a wasteful number, since it uses less digits than its factorization.

2078224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2078224 is about 1441.6046614797. The cubic root of 2078224 is about 127.6137444536.

The spelling of 2078224 in words is "two million, seventy-eight thousand, two hundred twenty-four".