2223331212 has 12 divisors (see below), whose sum is σ = 5187772856. Its totient is φ = 741110400.

The previous prime is 2223331169. The next prime is 2223331219. The reversal of 2223331212 is 2121333222.

It is a happy number.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2223331219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92638789 + ... + 92638812.

Almost surely, 2^2223331212 is an apocalyptic number.

It is an amenable number.

2223331212 is an abundant number, since it is smaller than the sum of its proper divisors (2964441644).

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

2223331212 is a wasteful number, since it uses less digits than its factorization.

2223331212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185277608 (or 185277606 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 2223331212 is about 47152.2132248318. The cubic root of 2223331212 is about 1305.1729216989.

Adding to 2223331212 its reverse (2121333222), we get a palindrome (4344664434).

The spelling of 2223331212 in words is "two billion, two hundred twenty-three million, three hundred thirty-one thousand, two hundred twelve".