785444225 has 12 divisors (see below), whose sum is σ = 976616064. Its totient is φ = 626635920.

The previous prime is 785444159. The next prime is 785444263. The reversal of 785444225 is 522444587.

It is a happy number.

785444225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 785444225 - 2⁸ = 785443969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33629 + ... + 51978.

It is an arithmetic number, because the mean of its divisors is an integer number (81384672).

Almost surely, 2^785444225 is an apocalyptic number.

It is an amenable number.

785444225 is a deficient number, since it is larger than the sum of its proper divisors (191171839).

785444225 is a wasteful number, since it uses less digits than its factorization.

785444225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85984 (or 85979 counting only the distinct ones).

The product of its digits is 358400, while the sum is 41.

The square root of 785444225 is about 28025.7778661003. Note that the first 3 decimals coincide. The cubic root of 785444225 is about 922.6531107021.

The spelling of 785444225 in words is "seven hundred eighty-five million, four hundred forty-four thousand, two hundred twenty-five".