222200222212 has 12 divisors (see below), whose sum is σ = 402259023180. Its totient is φ = 107269072736.

The previous prime is 222200222077. The next prime is 222200222263. The reversal of 222200222212 is 212222002222.

It can be written as a sum of positive squares in 2 ways, for example, as 96986153476 + 125214068736 = 311426^2 + 353856^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222200222212.

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, 957759463 + ... + 957759694.

It is an arithmetic number, because the mean of its divisors is an integer number (33521585265).

Almost surely, 2^222200222212 is an apocalyptic number.

It is an amenable number.

222200222212 is a deficient number, since it is larger than the sum of its proper divisors (180058800968).

222200222212 is a wasteful number, since it uses less digits than its factorization.

222200222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915519190 (or 1915519188 counting only the distinct ones).

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

Adding to 222200222212 its reverse (212222002222), we get a palindrome (434422224434).

The spelling of 222200222212 in words is "two hundred twenty-two billion, two hundred million, two hundred twenty-two thousand, two hundred twelve".