22120212022 has 8 divisors (see below), whose sum is σ = 33647646672. Its totient is φ = 10904329800.

The previous prime is 22120212017. The next prime is 22120212029. The reversal of 22120212022 is 22021202122.

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

It is a junction number, because it is equal to n+sod(n) for n = 22120211987 and 22120212005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120212029) 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 3 ways as a sum of consecutive naturals, for example, 77887929 + ... + 77888212.

It is an arithmetic number, because the mean of its divisors is an integer number (4205955834).

Almost surely, 2^22120212022 is an apocalyptic number.

22120212022 is a deficient number, since it is larger than the sum of its proper divisors (11527434650).

22120212022 is a wasteful number, since it uses less digits than its factorization.

22120212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155776214.

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

Adding to 22120212022 its reverse (22021202122), we get a palindrome (44141414144).

The spelling of 22120212022 in words is "twenty-two billion, one hundred twenty million, two hundred twelve thousand, twenty-two".