825628222 has 16 divisors (see below), whose sum is σ = 1311826752. Its totient is φ = 388372480.

The previous prime is 825628213. The next prime is 825628313. The reversal of 825628222 is 222826528.

825628222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149022 + ... + 154462.

It is an arithmetic number, because the mean of its divisors is an integer number (81989172).

Almost surely, 2^825628222 is an apocalyptic number.

825628222 is a deficient number, since it is larger than the sum of its proper divisors (486198530).

825628222 is a wasteful number, since it uses less digits than its factorization.

825628222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9923.

The product of its digits is 61440, while the sum is 37.

The square root of 825628222 is about 28733.7470929219. The cubic root of 825628222 is about 938.1267288309.

The spelling of 825628222 in words is "eight hundred twenty-five million, six hundred twenty-eight thousand, two hundred twenty-two".