22022212120 has 16 divisors (see below), whose sum is σ = 49549977360. Its totient is φ = 8808884832.

The previous prime is 22022212117. The next prime is 22022212127. The reversal of 22022212120 is 2121222022.

It is a junction number, because it is equal to n+sod(n) for n = 22022212094 and 22022212103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022212127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275277612 + ... + 275277691.

It is an arithmetic number, because the mean of its divisors is an integer number (3096873585).

Almost surely, 2^22022212120 is an apocalyptic number.

22022212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022212120 is an abundant number, since it is smaller than the sum of its proper divisors (27527765240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22022212120 is a wasteful number, since it uses less digits than its factorization.

22022212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550555314 (or 550555310 counting only the distinct ones).

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

Adding to 22022212120 its reverse (2121222022), we get a palindrome (24143434142).

The spelling of 22022212120 in words is "twenty-two billion, twenty-two million, two hundred twelve thousand, one hundred twenty".