222022202212 has 12 divisors (see below), whose sum is σ = 388617587820. Its totient is φ = 110988605696.

The previous prime is 222022202147. The next prime is 222022202279. The reversal of 222022202212 is 212202220222.

It can be written as a sum of positive squares in 2 ways, for example, as 85435782436 + 136586419776 = 292294^2 + 369576^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222022202212.

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, 5601637 + ... + 5641132.

It is an arithmetic number, because the mean of its divisors is an integer number (32384798985).

Almost surely, 2^222022202212 is an apocalyptic number.

It is an amenable number.

222022202212 is a deficient number, since it is larger than the sum of its proper divisors (166595385608).

222022202212 is a wasteful number, since it uses less digits than its factorization.

222022202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11247710 (or 11247708 counting only the distinct ones).

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

Adding to 222022202212 its reverse (212202220222), we get a palindrome (434224422434).

The spelling of 222022202212 in words is "two hundred twenty-two billion, twenty-two million, two hundred two thousand, two hundred twelve".