2809224 has 48 divisors (see below), whose sum is σ = 8302320. Its totient is φ = 851040.

The previous prime is 2809223. The next prime is 2809241. The reversal of 2809224 is 4229082.

2809224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2809223) 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 11 ways as a sum of consecutive naturals, for example, 982 + ... + 2565.

It is an arithmetic number, because the mean of its divisors is an integer number (172965).

2^2809224 is an apocalyptic number.

2809224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2809224 is an abundant number, since it is smaller than the sum of its proper divisors (5493096).

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

2809224 is a wasteful number, since it uses less digits than its factorization.

2809224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570 (or 3563 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2809224 is about 1676.0739840472. The cubic root of 2809224 is about 141.1005771007.

The spelling of 2809224 in words is "two million, eight hundred nine thousand, two hundred twenty-four".