2212220212 has 24 divisors (see below), whose sum is σ = 3947027616. Its totient is φ = 1084525728.

The previous prime is 2212220147. The next prime is 2212220237. The reversal of 2212220212 is 2120222122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478303 + ... + 482905.

It is an arithmetic number, because the mean of its divisors is an integer number (164459484).

Almost surely, 2^2212220212 is an apocalyptic number.

It is an amenable number.

2212220212 is a deficient number, since it is larger than the sum of its proper divisors (1734807404).

2212220212 is a wasteful number, since it uses less digits than its factorization.

2212220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6927 (or 6925 counting only the distinct ones).

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

The square root of 2212220212 is about 47034.2450986513. The cubic root of 2212220212 is about 1302.9951083831.

Adding to 2212220212 its reverse (2120222122), we get a palindrome (4332442334).

The spelling of 2212220212 in words is "two billion, two hundred twelve million, two hundred twenty thousand, two hundred twelve".