213122202222 has 8 divisors (see below), whose sum is σ = 426244404456. Its totient is φ = 71040734072.

The previous prime is 213122202143. The next prime is 213122202257. The reversal of 213122202222 is 222202221312.

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

213122202222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17760183513 + ... + 17760183524.

It is an arithmetic number, because the mean of its divisors is an integer number (53280550557).

Almost surely, 2^213122202222 is an apocalyptic number.

213122202222 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.

213122202222 is a wasteful number, since it uses less digits than its factorization.

213122202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35520367042.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 213122202222 its reverse (222202221312), we get a palindrome (435324423534).

The spelling of 213122202222 in words is "two hundred thirteen billion, one hundred twenty-two million, two hundred two thousand, two hundred twenty-two".