22031102221222 has 8 divisors (see below), whose sum is σ = 33101639445672. Its totient is φ = 10997222406000.

The previous prime is 22031102221217. The next prime is 22031102221277. The reversal of 22031102221222 is 22212220113022.

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 = 22031102221193 and 22031102221202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9164350804 + ... + 9164353207.

It is an arithmetic number, because the mean of its divisors is an integer number (4137704930709).

Almost surely, 2^{22031102221222} is an apocalyptic number.

22031102221222 is a deficient number, since it is larger than the sum of its proper divisors (11070537224450).

22031102221222 is a wasteful number, since it uses less digits than its factorization.

22031102221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18328704614.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22031102221222 its reverse (22212220113022), we get a palindrome (44243322334244).

The spelling of 22031102221222 in words is "twenty-two trillion, thirty-one billion, one hundred two million, two hundred twenty-one thousand, two hundred twenty-two".