844808225 has 12 divisors (see below), whose sum is σ = 1060824960. Its totient is φ = 667290000.

The previous prime is 844808207. The next prime is 844808233. The reversal of 844808225 is 522808448.

It is not a de Polignac number, because 844808225 - 2¹⁴ = 844791841 is a prime.

It is an unprimeable number.

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, 211901 + ... + 215850.

It is an arithmetic number, because the mean of its divisors is an integer number (88402080).

Almost surely, 2^844808225 is an apocalyptic number.

It is an amenable number.

844808225 is a deficient number, since it is larger than the sum of its proper divisors (216016735).

844808225 is a wasteful number, since it uses less digits than its factorization.

844808225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427840 (or 427835 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 41.

The square root of 844808225 is about 29065.5848900379. The cubic root of 844808225 is about 945.3356682936.

The spelling of 844808225 in words is "eight hundred forty-four million, eight hundred eight thousand, two hundred twenty-five".