22222201220 has 48 divisors (see below), whose sum is σ = 46935080640. Its totient is φ = 8837856384.

The previous prime is 22222201207. The next prime is 22222201237. The reversal of 22222201220 is 2210222222.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3784727 + ... + 3790593.

It is an arithmetic number, because the mean of its divisors is an integer number (977814180).

Almost surely, 2^22222201220 is an apocalyptic number.

22222201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222201220 is an abundant number, since it is smaller than the sum of its proper divisors (24712879420).

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

22222201220 is a wasteful number, since it uses less digits than its factorization.

22222201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6932 (or 6930 counting only the distinct ones).

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

Adding to 22222201220 its reverse (2210222222), we get a palindrome (24432423442).

The spelling of 22222201220 in words is "twenty-two billion, two hundred twenty-two million, two hundred one thousand, two hundred twenty".