222602402666 has 32 divisors (see below), whose sum is σ = 391597852800. Its totient is φ = 92915315136.

The previous prime is 222602402663. The next prime is 222602402669. The reversal of 222602402666 is 666204206222.

222602402666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222602402663) and next prime (222602402669).

It is not an unprimeable number, because it can be changed into a prime (222602402663) 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, 319661 + ... + 739856.

It is an arithmetic number, because the mean of its divisors is an integer number (12237432900).

Almost surely, 2^222602402666 is an apocalyptic number.

222602402666 is a deficient number, since it is larger than the sum of its proper divisors (168995450134).

222602402666 is a wasteful number, since it uses less digits than its factorization.

222602402666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059918.

The product of its (nonzero) digits is 165888, while the sum is 38.

Adding to 222602402666 its reverse (666204206222), we get a palindrome (888806608888).

The spelling of 222602402666 in words is "two hundred twenty-two billion, six hundred two million, four hundred two thousand, six hundred sixty-six".