22222220102212 has 24 divisors (see below), whose sum is σ = 41883671151000. Its totient is φ = 10255592967936.

The previous prime is 22222220102191. The next prime is 22222220102239. The reversal of 22222220102212 is 21220102222222.

It can be written as a sum of positive squares in 4 ways, for example, as 14062605000196 + 8159615102016 = 3750014^2 + 2856504^2 .

It is a super-2 number, since 2×22222220102212² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16346587 + ... + 17653762.

It is an arithmetic number, because the mean of its divisors is an integer number (1745152964625).

Almost surely, 2^{22222220102212} is an apocalyptic number.

It is an amenable number.

22222220102212 is a deficient number, since it is larger than the sum of its proper divisors (19661451048788).

22222220102212 is a wasteful number, since it uses less digits than its factorization.

22222220102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34012935 (or 34012933 counting only the distinct ones).

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

Adding to 22222220102212 its reverse (21220102222222), we get a palindrome (43442322324434).

The spelling of 22222220102212 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twenty million, one hundred two thousand, two hundred twelve".