22212120022 has 8 divisors (see below), whose sum is σ = 33327463896. Its totient is φ = 11102965392.

The previous prime is 22212120001. The next prime is 22212120037. The reversal of 22212120022 is 22002121222.

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 = 22212119978 and 22212120005.

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, 1538328 + ... + 1552699.

It is an arithmetic number, because the mean of its divisors is an integer number (4165932987).

Almost surely, 2^22212120022 is an apocalyptic number.

22212120022 is a deficient number, since it is larger than the sum of its proper divisors (11115343874).

22212120022 is a wasteful number, since it uses less digits than its factorization.

22212120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094622.

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

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

It can be divided in two parts, 222121200 and 22, that added together give a palindrome (222121222).

The spelling of 22212120022 in words is "twenty-two billion, two hundred twelve million, one hundred twenty thousand, twenty-two".