225828805 has 16 divisors (see below), whose sum is σ = 275307264. Its totient is φ = 177811200.

The previous prime is 225828803. The next prime is 225828817. The reversal of 225828805 is 508828522.

It is not a de Polignac number, because 225828805 - 2¹ = 225828803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225828803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83992 + ... + 86638.

It is an arithmetic number, because the mean of its divisors is an integer number (17206704).

Almost surely, 2^225828805 is an apocalyptic number.

It is an amenable number.

225828805 is a deficient number, since it is larger than the sum of its proper divisors (49478459).

225828805 is a wasteful number, since it uses less digits than its factorization.

225828805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916.

The product of its (nonzero) digits is 102400, while the sum is 40.

The square root of 225828805 is about 15027.6014386861. The cubic root of 225828805 is about 608.9660932569.

The spelling of 225828805 in words is "two hundred twenty-five million, eight hundred twenty-eight thousand, eight hundred five".