222211202210212 has 48 divisors (see below), whose sum is σ = 428404460546160. Its totient is φ = 100380508454912.

The previous prime is 222211202210167. The next prime is 222211202210377. The reversal of 222211202210212 is 212012202112222.

It can be written as a sum of positive squares in 8 ways, for example, as 16141559734336 + 206069642475876 = 4017656^2 + 14355126^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325332733 + ... + 326015044.

It is an arithmetic number, because the mean of its divisors is an integer number (8925092928045).

Almost surely, 2^{222211202210212} is an apocalyptic number.

It is an amenable number.

222211202210212 is a deficient number, since it is larger than the sum of its proper divisors (206193258335948).

222211202210212 is a wasteful number, since it uses less digits than its factorization.

222211202210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651348000 (or 651347998 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222211202210212 its reverse (212012202112222), we get a palindrome (434223404322434).

The spelling of 222211202210212 in words is "two hundred twenty-two trillion, two hundred eleven billion, two hundred two million, two hundred ten thousand, two hundred twelve".