22101201222 has 8 divisors (see below), whose sum is σ = 44202402456. Its totient is φ = 7367067072.

The previous prime is 22101201217. The next prime is 22101201251. The reversal of 22101201222 is 22210210122.

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

22101201222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1841766763 + ... + 1841766774.

It is an arithmetic number, because the mean of its divisors is an integer number (5525300307).

Almost surely, 2^22101201222 is an apocalyptic number.

22101201222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22101201222 is a wasteful number, since it uses less digits than its factorization.

22101201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683533542.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22101201222 its reverse (22210210122), we get a palindrome (44311411344).

The spelling of 22101201222 in words is "twenty-two billion, one hundred one million, two hundred one thousand, two hundred twenty-two".