222303202212 has 96 divisors (see below), whose sum is σ = 640837435392. Its totient is φ = 58406414976.

The previous prime is 222303202157. The next prime is 222303202217. The reversal of 222303202212 is 212202303222.

222303202212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (222303202217) 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 31 ways as a sum of consecutive naturals, for example, 99828 + ... + 674219.

It is an arithmetic number, because the mean of its divisors is an integer number (6675389952).

Almost surely, 2^222303202212 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 222303202212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320418717696).

222303202212 is an abundant number, since it is smaller than the sum of its proper divisors (418534233180).

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

222303202212 is a wasteful number, since it uses less digits than its factorization.

222303202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774337 (or 774335 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 222303202212 its reverse (212202303222), we get a palindrome (434505505434).

The spelling of 222303202212 in words is "two hundred twenty-two billion, three hundred three million, two hundred two thousand, two hundred twelve".