2212172036 has 12 divisors (see below), whose sum is σ = 3871844928. Its totient is φ = 1105930632.

The previous prime is 2212172029. The next prime is 2212172041. The reversal of 2212172036 is 6302712122.

It is a junction number, because it is equal to n+sod(n) for n = 2212171996 and 2212172014.

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, 3176 + ... + 66591.

It is an arithmetic number, because the mean of its divisors is an integer number (322653744).

Almost surely, 2^2212172036 is an apocalyptic number.

It is an amenable number.

2212172036 is a deficient number, since it is larger than the sum of its proper divisors (1659672892).

2212172036 is a wasteful number, since it uses less digits than its factorization.

2212172036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77698 (or 77696 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2212172036 is about 47033.7329583779. The cubic root of 2212172036 is about 1302.9856497786.

Adding to 2212172036 its reverse (6302712122), we get a palindrome (8514884158).

The spelling of 2212172036 in words is "two billion, two hundred twelve million, one hundred seventy-two thousand, thirty-six".