212022202222 has 4 divisors (see below), whose sum is σ = 318033303336. Its totient is φ = 106011101110.

The previous prime is 212022202213. The next prime is 212022202247. The reversal of 212022202222 is 222202220212.

212022202222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 212022202222.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 53005550554 + ... + 53005550557.

It is an arithmetic number, because the mean of its divisors is an integer number (79508325834).

Almost surely, 2^212022202222 is an apocalyptic number.

212022202222 is a deficient number, since it is larger than the sum of its proper divisors (106011101114).

212022202222 is a wasteful number, since it uses less digits than its factorization.

212022202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106011101113.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 212022202222 its reverse (222202220212), we get a palindrome (434224422434).

The spelling of 212022202222 in words is "two hundred twelve billion, twenty-two million, two hundred two thousand, two hundred twenty-two".