22002121222 has 8 divisors (see below), whose sum is σ = 33003961200. Its totient is φ = 11000800824.

The previous prime is 22002121187. The next prime is 22002121237. The reversal of 22002121222 is 22212120022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22002121196 and 22002121205.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3279 + ... + 209797.

It is an arithmetic number, because the mean of its divisors is an integer number (4125495150).

Almost surely, 2^22002121222 is an apocalyptic number.

22002121222 is a deficient number, since it is larger than the sum of its proper divisors (11001839978).

22002121222 is a wasteful number, since it uses less digits than its factorization.

22002121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259790.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22002121222 its reverse (22212120022), we get a palindrome (44214241244).

The spelling of 22002121222 in words is "twenty-two billion, two million, one hundred twenty-one thousand, two hundred twenty-two".