663536222 has 16 divisors (see below), whose sum is σ = 1005033744. Its totient is φ = 328536000.

The previous prime is 663536189. The next prime is 663536261. The reversal of 663536222 is 222635366.

663536222 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, 134072 + ... + 138932.

It is an arithmetic number, because the mean of its divisors is an integer number (62814609).

Almost surely, 2^663536222 is an apocalyptic number.

663536222 is a deficient number, since it is larger than the sum of its proper divisors (341497522).

663536222 is a wasteful number, since it uses less digits than its factorization.

663536222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5515.

The product of its digits is 77760, while the sum is 35.

The square root of 663536222 is about 25759.1968430695. The cubic root of 663536222 is about 872.2109712792.

The spelling of 663536222 in words is "six hundred sixty-three million, five hundred thirty-six thousand, two hundred twenty-two".