222001302222 has 96 divisors (see below), whose sum is σ = 573706860480. Its totient is φ = 60699663360.

The previous prime is 222001302191. The next prime is 222001302223. The reversal of 222001302222 is 222203100222.

222001302222 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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 222001302195 and 222001302204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222001302223) 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 47 ways as a sum of consecutive naturals, for example, 144072 + ... + 681732.

It is an arithmetic number, because the mean of its divisors is an integer number (5976113130).

Almost surely, 2^222001302222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222001302222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286853430240).

222001302222 is an abundant number, since it is smaller than the sum of its proper divisors (351705558258).

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

222001302222 is a wasteful number, since it uses less digits than its factorization.

222001302222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537818 (or 537815 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 222001302222 its reverse (222203100222), we get a palindrome (444204402444).

The spelling of 222001302222 in words is "two hundred twenty-two billion, one million, three hundred two thousand, two hundred twenty-two".