22222200110212 has 6 divisors (see below), whose sum is σ = 38888850192878. Its totient is φ = 11111100055104.

The previous prime is 22222200110203. The next prime is 22222200110233. The reversal of 22222200110212 is 21201100222222.

It can be written as a sum of positive squares in only one way, i.e., 22221927992196 + 272118016 = 4714014^2 + 16496^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22222200110212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777775013773 + ... + 2777775013780.

Almost surely, 2^{22222200110212} is an apocalyptic number.

It is an amenable number.

22222200110212 is a deficient number, since it is larger than the sum of its proper divisors (16666650082666).

22222200110212 is a wasteful number, since it uses less digits than its factorization.

22222200110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555550027557 (or 5555550027555 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22222200110212 its reverse (21201100222222), we get a palindrome (43423300332434).

The spelling of 22222200110212 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred million, one hundred ten thousand, two hundred twelve".