22000112212222 has 16 divisors (see below), whose sum is σ = 33148880618112. Its totient is φ = 10950487511040.

The previous prime is 22000112212207. The next prime is 22000112212249. The reversal of 22000112212222 is 22221221100022.

It is a self number, because there is not a number n which added to its sum of digits gives 22000112212222.

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, 20675358 + ... + 21713374.

It is an arithmetic number, because the mean of its divisors is an integer number (2071805038632).

Almost surely, 2^{22000112212222} is an apocalyptic number.

22000112212222 is a deficient number, since it is larger than the sum of its proper divisors (11148768405890).

22000112212222 is a wasteful number, since it uses less digits than its factorization.

22000112212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085763.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22000112212222 its reverse (22221221100022), we get a palindrome (44221333312244).

The spelling of 22000112212222 in words is "twenty-two trillion, one hundred twelve million, two hundred twelve thousand, two hundred twenty-two".