213303021222 has 8 divisors (see below), whose sum is σ = 426606042456. Its totient is φ = 71101007072.

The previous prime is 213303021187. The next prime is 213303021229. The reversal of 213303021222 is 222120303312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

213303021222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213303021229) 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, 17775251763 + ... + 17775251774.

It is an arithmetic number, because the mean of its divisors is an integer number (53325755307).

Almost surely, 2^213303021222 is an apocalyptic number.

213303021222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

213303021222 is a wasteful number, since it uses less digits than its factorization.

213303021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35550503542.

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

Adding to 213303021222 its reverse (222120303312), we get a palindrome (435423324534).

The spelling of 213303021222 in words is "two hundred thirteen billion, three hundred three million, twenty-one thousand, two hundred twenty-two".