2223013212 has 144 divisors (see below), whose sum is σ = 6670809600. Its totient is φ = 610727040.

The previous prime is 2223013201. The next prime is 2223013213. The reversal of 2223013212 is 2123103222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223013213) 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 47 ways as a sum of consecutive naturals, for example, 2418489 + ... + 2419407.

Almost surely, 2^2223013212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2223013212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3335404800).

2223013212 is an abundant number, since it is smaller than the sum of its proper divisors (4447796388).

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

2223013212 is a wasteful number, since it uses less digits than its factorization.

2223013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296 (or 1291 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2223013212 is about 47148.8410462018. The cubic root of 2223013212 is about 1305.1106930371.

Adding to 2223013212 its reverse (2123103222), we get a palindrome (4346116434).

The spelling of 2223013212 in words is "two billion, two hundred twenty-three million, thirteen thousand, two hundred twelve".