22001212201222 has 8 divisors (see below), whose sum is σ = 33001838204400. Its totient is φ = 11000599466424.

The previous prime is 22001212201201. The next prime is 22001212201249. The reversal of 22001212201222 is 22210221210022.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22001212201222.

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, 4850479 + ... + 8217637.

It is an arithmetic number, because the mean of its divisors is an integer number (4125229775550).

Almost surely, 2^{22001212201222} is an apocalyptic number.

22001212201222 is a deficient number, since it is larger than the sum of its proper divisors (11000626003178).

22001212201222 is a wasteful number, since it uses less digits than its factorization.

22001212201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6634190.

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

Adding to 22001212201222 its reverse (22210221210022), we get a palindrome (44211433411244).

The spelling of 22001212201222 in words is "twenty-two trillion, one billion, two hundred twelve million, two hundred one thousand, two hundred twenty-two".