20222221209 has 8 divisors (see below), whose sum is σ = 27021963360. Its totient is φ = 13451979936.

The previous prime is 20222221127. The next prime is 20222221211. The reversal of 20222221209 is 90212222202.

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

It is not a de Polignac number, because 20222221209 - 2¹¹ = 20222219161 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20222721209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7373619 + ... + 7376360.

It is an arithmetic number, because the mean of its divisors is an integer number (3377745420).

Almost surely, 2^20222221209 is an apocalyptic number.

It is an amenable number.

20222221209 is a deficient number, since it is larger than the sum of its proper divisors (6799742151).

20222221209 is a wasteful number, since it uses less digits than its factorization.

20222221209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14750439.

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 20222221209 in words is "twenty billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred nine".