22222122102221 has 8 divisors (see below), whose sum is σ = 22321108099584. Its totient is φ = 22123145677120.

The previous prime is 22222122102109. The next prime is 22222122102287. The reversal of 22222122102221 is 12220122122222.

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

It is a cyclic number.

It is not a de Polignac number, because 22222122102221 - 2¹⁴ = 22222122085837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222122602221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2280581 + ... + 7045941.

It is an arithmetic number, because the mean of its divisors is an integer number (2790138512448).

Almost surely, 2^{22222122102221} is an apocalyptic number.

It is an amenable number.

22222122102221 is a deficient number, since it is larger than the sum of its proper divisors (98985997363).

22222122102221 is a wasteful number, since it uses less digits than its factorization.

22222122102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786131.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 22222122102221 its reverse (12220122122222), we get a palindrome (34442244224443).

The spelling of 22222122102221 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred two thousand, two hundred twenty-one".