22020211222 has 4 divisors (see below), whose sum is σ = 33030316836. Its totient is φ = 11010105610.

The previous prime is 22020211181. The next prime is 22020211237. The reversal of 22020211222 is 22211202022.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×22020211222² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22020211196 and 22020211205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505052804 + ... + 5505052807.

It is an arithmetic number, because the mean of its divisors is an integer number (8257579209).

Almost surely, 2^22020211222 is an apocalyptic number.

22020211222 is a deficient number, since it is larger than the sum of its proper divisors (11010105614).

22020211222 is a wasteful number, since it uses less digits than its factorization.

22020211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11010105613.

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

Adding to 22020211222 its reverse (22211202022), we get a palindrome (44231413244).

The spelling of 22020211222 in words is "twenty-two billion, twenty million, two hundred eleven thousand, two hundred twenty-two".