213243423222 has 32 divisors (see below), whose sum is σ = 430773673824. Its totient is φ = 70366880000.

The previous prime is 213243423199. The next prime is 213243423299. The reversal of 213243423222 is 222324342312.

213243423222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213243423222² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213243423222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4765738 + ... + 4810274.

It is an arithmetic number, because the mean of its divisors is an integer number (13461677307).

Almost surely, 2^213243423222 is an apocalyptic number.

213243423222 is an abundant number, since it is smaller than the sum of its proper divisors (217530250602).

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

213243423222 is a wasteful number, since it uses less digits than its factorization.

213243423222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52544.

The product of its digits is 27648, while the sum is 30.

Adding to 213243423222 its reverse (222324342312), we get a palindrome (435567765534).

The spelling of 213243423222 in words is "two hundred thirteen billion, two hundred forty-three million, four hundred twenty-three thousand, two hundred twenty-two".