785198225 has 24 divisors (see below), whose sum is σ = 1148640768. Its totient is φ = 521049600.

The previous prime is 785198213. The next prime is 785198273. The reversal of 785198225 is 522891587.

785198225 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 785198225 - 2⁴ = 785198209 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 785198225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66944 + ... + 77793.

It is an arithmetic number, because the mean of its divisors is an integer number (47860032).

Almost surely, 2^785198225 is an apocalyptic number.

It is an amenable number.

785198225 is a deficient number, since it is larger than the sum of its proper divisors (363442543).

785198225 is a wasteful number, since it uses less digits than its factorization.

785198225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144785 (or 144780 counting only the distinct ones).

The product of its digits is 403200, while the sum is 47.

The square root of 785198225 is about 28021.3887057726. The cubic root of 785198225 is about 922.5567761023.

The spelling of 785198225 in words is "seven hundred eighty-five million, one hundred ninety-eight thousand, two hundred twenty-five".