220002100022222 has 16 divisors (see below), whose sum is σ = 378233334587520. Its totient is φ = 94014894943608.

The previous prime is 220002100022207. The next prime is 220002100022251. The reversal of 220002100022222 is 222220001200022.

It is a self number, because there is not a number n which added to its sum of digits gives 220002100022222.

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, 22643274272 + ... + 22643283987.

It is an arithmetic number, because the mean of its divisors is an integer number (23639583411720).

Almost surely, 2^{220002100022222} is an apocalyptic number.

220002100022222 is a deficient number, since it is larger than the sum of its proper divisors (158231234565298).

220002100022222 is a wasteful number, since it uses less digits than its factorization.

220002100022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45286558615.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 220002100022222 its reverse (222220001200022), we get a palindrome (442222101222244).

The spelling of 220002100022222 in words is "two hundred twenty trillion, two billion, one hundred million, twenty-two thousand, two hundred twenty-two".