20211023222 has 8 divisors (see below), whose sum is σ = 32648576016. Its totient is φ = 9328164552.

The previous prime is 20211023219. The next prime is 20211023249. The reversal of 20211023222 is 22232011202.

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

It is a super-2 number, since 2×20211023222² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20211023222.

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, 388673498 + ... + 388673549.

It is an arithmetic number, because the mean of its divisors is an integer number (4081072002).

Almost surely, 2^20211023222 is an apocalyptic number.

20211023222 is a deficient number, since it is larger than the sum of its proper divisors (12437552794).

20211023222 is a wasteful number, since it uses less digits than its factorization.

20211023222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777347062.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20211023222 its reverse (22232011202), we get a palindrome (42443034424).

The spelling of 20211023222 in words is "twenty billion, two hundred eleven million, twenty-three thousand, two hundred twenty-two".