2223133212 has 12 divisors (see below), whose sum is σ = 5187310856. Its totient is φ = 741044400.

The previous prime is 2223133207. The next prime is 2223133219. The reversal of 2223133212 is 2123313222.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223133219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92630539 + ... + 92630562.

Almost surely, 2^2223133212 is an apocalyptic number.

It is an amenable number.

2223133212 is an abundant number, since it is smaller than the sum of its proper divisors (2964177644).

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

2223133212 is a wasteful number, since it uses less digits than its factorization.

2223133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185261108 (or 185261106 counting only the distinct ones).

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

The square root of 2223133212 is about 47150.1135947730. The cubic root of 2223133212 is about 1305.1341762481.

Adding to 2223133212 its reverse (2123313222), we get a palindrome (4346446434).

The spelling of 2223133212 in words is "two billion, two hundred twenty-three million, one hundred thirty-three thousand, two hundred twelve".