222222200012212 has 6 divisors (see below), whose sum is σ = 388888850021378. Its totient is φ = 111111100006104.

The previous prime is 222222200012167. The next prime is 222222200012221. The reversal of 222222200012212 is 212210002222222.

222222200012212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 179755264256656 + 42466935755556 = 13407284^2 + 6516666^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27777775001523 + ... + 27777775001530.

Almost surely, 2^{222222200012212} is an apocalyptic number.

It is an amenable number.

222222200012212 is a deficient number, since it is larger than the sum of its proper divisors (166666650009166).

222222200012212 is a wasteful number, since it uses less digits than its factorization.

222222200012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55555550003057 (or 55555550003055 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 222222200012212 its reverse (212210002222222), we get a palindrome (434432202234434).

The spelling of 222222200012212 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, two hundred million, twelve thousand, two hundred twelve".