2211202212 has 12 divisors (see below), whose sum is σ = 5159471856. Its totient is φ = 737067400.

The previous prime is 2211202183. The next prime is 2211202271. The reversal of 2211202212 is 2122021122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2211202191 and 2211202200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92133414 + ... + 92133437.

It is an arithmetic number, because the mean of its divisors is an integer number (429955988).

Almost surely, 2^2211202212 is an apocalyptic number.

It is an amenable number.

2211202212 is an abundant number, since it is smaller than the sum of its proper divisors (2948269644).

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

2211202212 is a wasteful number, since it uses less digits than its factorization.

2211202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184266858 (or 184266856 counting only the distinct ones).

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

The square root of 2211202212 is about 47023.4219511936. The cubic root of 2211202212 is about 1302.7952107825.

Adding to 2211202212 its reverse (2122021122), we get a palindrome (4333223334).

The spelling of 2211202212 in words is "two billion, two hundred eleven million, two hundred two thousand, two hundred twelve".