20221022222 has 8 divisors (see below), whose sum is σ = 30339533016. Its totient is φ = 10107844552.

The previous prime is 20221022221. The next prime is 20221022243. The reversal of 20221022222 is 22222012202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20221022222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221022221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323788 + ... + 1338975.

It is an arithmetic number, because the mean of its divisors is an integer number (3792441627).

Almost surely, 2^20221022222 is an apocalyptic number.

20221022222 is a deficient number, since it is larger than the sum of its proper divisors (10118510794).

20221022222 is a wasteful number, since it uses less digits than its factorization.

20221022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666562.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20221022222 its reverse (22222012202), we get a palindrome (42443034424).

The spelling of 20221022222 in words is "twenty billion, two hundred twenty-one million, twenty-two thousand, two hundred twenty-two".