285782288226 has 16 divisors (see below), whose sum is σ = 576065086464. Its totient is φ = 94510677744.

The previous prime is 285782288147. The next prime is 285782288237. The reversal of 285782288226 is 622882287582.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 285782288226.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 187520425 + ... + 187521948.

It is an arithmetic number, because the mean of its divisors is an integer number (36004067904).

Almost surely, 2^285782288226 is an apocalyptic number.

285782288226 is an abundant number, since it is smaller than the sum of its proper divisors (290282798238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285782288226 is a wasteful number, since it uses less digits than its factorization.

285782288226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375042505.

The product of its digits is 27525120, while the sum is 60.

The spelling of 285782288226 in words is "two hundred eighty-five billion, seven hundred eighty-two million, two hundred eighty-eight thousand, two hundred twenty-six".