20222444222 has 4 divisors (see below), whose sum is σ = 30333666336. Its totient is φ = 10111222110.

The previous prime is 20222444201. The next prime is 20222444317. The reversal of 20222444222 is 22244422202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22244422202 = 2 ⋅11122211101.

It is a junction number, because it is equal to n+sod(n) for n = 20222444191 and 20222444200.

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 as a sum of consecutive naturals, namely, 5055611054 + ... + 5055611057.

It is an arithmetic number, because the mean of its divisors is an integer number (7583416584).

Almost surely, 2^20222444222 is an apocalyptic number.

20222444222 is a deficient number, since it is larger than the sum of its proper divisors (10111222114).

20222444222 is a wasteful number, since it uses less digits than its factorization.

20222444222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111222113.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 20222444222 its reverse (22244422202), we get a palindrome (42466866424).

The spelling of 20222444222 in words is "twenty billion, two hundred twenty-two million, four hundred forty-four thousand, two hundred twenty-two".