2212232312 has 16 divisors (see below), whose sum is σ = 4148976840. Its totient is φ = 1105838496.

The previous prime is 2212232311. The next prime is 2212232357. The reversal of 2212232312 is 2132322122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212232311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358 + ... + 66530.

Almost surely, 2^2212232312 is an apocalyptic number.

It is an amenable number.

2212232312 is a deficient number, since it is larger than the sum of its proper divisors (1936744528).

2212232312 is a wasteful number, since it uses less digits than its factorization.

2212232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69422 (or 69418 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 2212232312 is about 47034.3737281576. The cubic root of 2212232312 is about 1302.9974840074.

Adding to 2212232312 its reverse (2132322122), we get a palindrome (4344554434).

The spelling of 2212232312 in words is "two billion, two hundred twelve million, two hundred thirty-two thousand, three hundred twelve".