26664202222 has 16 divisors (see below), whose sum is σ = 45713682432. Its totient is φ = 11426609880.

The previous prime is 26664202217. The next prime is 26664202237. The reversal of 26664202222 is 22220246662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126147 + ... + 263137.

It is an arithmetic number, because the mean of its divisors is an integer number (2857105152).

Almost surely, 2^26664202222 is an apocalyptic number.

26664202222 is a deficient number, since it is larger than the sum of its proper divisors (19049480210).

26664202222 is a wasteful number, since it uses less digits than its factorization.

26664202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150903.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 26664202222 its reverse (22220246662), we get a palindrome (48884448884).

The spelling of 26664202222 in words is "twenty-six billion, six hundred sixty-four million, two hundred two thousand, two hundred twenty-two".