2805223449 has 32 divisors (see below), whose sum is σ = 4420157440. Its totient is φ = 1548590400.

The previous prime is 2805223427. The next prime is 2805223453. The reversal of 2805223449 is 9443225082.

It is not a de Polignac number, because 2805223449 - 2¹² = 2805219353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2805223349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 407367 + ... + 414195.

It is an arithmetic number, because the mean of its divisors is an integer number (138129920).

Almost surely, 2^2805223449 is an apocalyptic number.

It is an amenable number.

2805223449 is a deficient number, since it is larger than the sum of its proper divisors (1614933991).

2805223449 is a wasteful number, since it uses less digits than its factorization.

2805223449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7501.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 2805223449 is about 52964.3601773872. The cubic root of 2805223449 is about 1410.3356592358.

The spelling of 2805223449 in words is "two billion, eight hundred five million, two hundred twenty-three thousand, four hundred forty-nine".