663571222 has 16 divisors (see below), whose sum is σ = 1008387072. Its totient is φ = 327450600.

The previous prime is 663571211. The next prime is 663571261. The reversal of 663571222 is 222175366.

663571222 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, 258847 + ... + 261397.

It is an arithmetic number, because the mean of its divisors is an integer number (63024192).

Almost surely, 2^663571222 is an apocalyptic number.

663571222 is a deficient number, since it is larger than the sum of its proper divisors (344815850).

663571222 is a wasteful number, since it uses less digits than its factorization.

663571222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4203.

The product of its digits is 30240, while the sum is 34.

The square root of 663571222 is about 25759.8762031187. The cubic root of 663571222 is about 872.2263067129.

The spelling of 663571222 in words is "six hundred sixty-three million, five hundred seventy-one thousand, two hundred twenty-two".