2231222212 has 12 divisors (see below), whose sum is σ = 4110146320. Its totient is φ = 1056894696.

The previous prime is 2231222207. The next prime is 2231222219. The reversal of 2231222212 is 2122221322.

It is a super-3 number, since 3×2231222212³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 2231222212.

It is not an unprimeable number, because it can be changed into a prime (2231222219) 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, 14679018 + ... + 14679169.

Almost surely, 2^2231222212 is an apocalyptic number.

It is an amenable number.

2231222212 is a deficient number, since it is larger than the sum of its proper divisors (1878924108).

2231222212 is a wasteful number, since it uses less digits than its factorization.

2231222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29358210 (or 29358208 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 2231222212 is about 47235.8149289287. The cubic root of 2231222212 is about 1306.7151958872.

Adding to 2231222212 its reverse (2122221322), we get a palindrome (4353443534).

The spelling of 2231222212 in words is "two billion, two hundred thirty-one million, two hundred twenty-two thousand, two hundred twelve".