666003252222 has 96 divisors (see below), whose sum is σ = 1828566964224. Its totient is φ = 170151969600.

The previous prime is 666003252217. The next prime is 666003252251. The reversal of 666003252222 is 222252300666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3854158 + ... + 4023249.

It is an arithmetic number, because the mean of its divisors is an integer number (19047572544).

Almost surely, 2^666003252222 is an apocalyptic number.

666003252222 is an abundant number, since it is smaller than the sum of its proper divisors (1162563712002).

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

666003252222 is a wasteful number, since it uses less digits than its factorization.

666003252222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7877494 (or 7877491 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 666003252222 its reverse (222252300666), we get a palindrome (888255552888).

The spelling of 666003252222 in words is "six hundred sixty-six billion, three million, two hundred fifty-two thousand, two hundred twenty-two".