22021011001222 has 8 divisors (see below), whose sum is σ = 33066177067656. Its totient is φ = 10998951978672.

The previous prime is 22021011001211. The next prime is 22021011001273. The reversal of 22021011001222 is 22210011012022.

It is a happy number.

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 = 22021011001196 and 22021011001205.

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, 5776758588 + ... + 5776762399.

It is an arithmetic number, because the mean of its divisors is an integer number (4133272133457).

Almost surely, 2^{22021011001222} is an apocalyptic number.

22021011001222 is a deficient number, since it is larger than the sum of its proper divisors (11045166066434).

22021011001222 is a wasteful number, since it uses less digits than its factorization.

22021011001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11553521942.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22021011001222 its reverse (22210011012022), we get a palindrome (44231022013244).

The spelling of 22021011001222 in words is "twenty-two trillion, twenty-one billion, eleven million, one thousand, two hundred twenty-two".