2240816 has 20 divisors (see below), whose sum is σ = 4443912. Its totient is φ = 1094016.

The previous prime is 2240809. The next prime is 2240827. The reversal of 2240816 is 6180422.

It is a junction number, because it is equal to n+sod(n) for n = 2240791 and 2240800.

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, 941 + ... + 2316.

2^2240816 is an apocalyptic number.

It is an amenable number.

2240816 is a deficient number, since it is larger than the sum of its proper divisors (2203096).

2240816 is a wasteful number, since it uses less digits than its factorization.

2240816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308 (or 3302 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2240816 is about 1496.9355363542. The cubic root of 2240816 is about 130.8585385150.

The spelling of 2240816 in words is "two million, two hundred forty thousand, eight hundred sixteen".