2201122212 has 24 divisors (see below), whose sum is σ = 5136733056. Its totient is φ = 733595808.

The previous prime is 2201122201. The next prime is 2201122213. The reversal of 2201122212 is 2122211022.

It is a junction number, because it is equal to n+sod(n) for n = 2201122191 and 2201122200.

It is not an unprimeable number, because it can be changed into a prime (2201122213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118638 + ... + 135930.

It is an arithmetic number, because the mean of its divisors is an integer number (214030544).

Almost surely, 2^2201122212 is an apocalyptic number.

It is an amenable number.

2201122212 is an abundant number, since it is smaller than the sum of its proper divisors (2935610844).

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

2201122212 is a wasteful number, since it uses less digits than its factorization.

2201122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27907 (or 27905 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2201122212 is about 46916.1188931906. The cubic root of 2201122212 is about 1300.8125515833.

Adding to 2201122212 its reverse (2122211022), we get a palindrome (4323333234).

The spelling of 2201122212 in words is "two billion, two hundred one million, one hundred twenty-two thousand, two hundred twelve".