22201022122 has 8 divisors (see below), whose sum is σ = 33303165696. Its totient is φ = 11099966892.

The previous prime is 22201022117. The next prime is 22201022147. The reversal of 22201022122 is 22122010222.

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 = 22201022096 and 22201022105.

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, 219018 + ... + 303925.

It is an arithmetic number, because the mean of its divisors is an integer number (4162895712).

Almost surely, 2^22201022122 is an apocalyptic number.

22201022122 is a deficient number, since it is larger than the sum of its proper divisors (11102143574).

22201022122 is a wasteful number, since it uses less digits than its factorization.

22201022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544172.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22201022122 its reverse (22122010222), we get a palindrome (44323032344).

The spelling of 22201022122 in words is "twenty-two billion, two hundred one million, twenty-two thousand, one hundred twenty-two".