222202222200212 has 24 divisors (see below), whose sum is σ = 389265346501416. Its totient is φ = 110983553827328.

The previous prime is 222202222200169. The next prime is 222202222200319. The reversal of 222202222200212 is 212002222202222.

It can be written as a sum of positive squares in 4 ways, for example, as 92356789739536 + 129845432460676 = 9610244^2 + 11394974^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647170778 + ... + 647514030.

It is an arithmetic number, because the mean of its divisors is an integer number (16219389437559).

Almost surely, 2^{222202222200212} is an apocalyptic number.

It is an amenable number.

222202222200212 is a deficient number, since it is larger than the sum of its proper divisors (167063124301204).

222202222200212 is a wasteful number, since it uses less digits than its factorization.

222202222200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514027 (or 514025 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 222202222200212 its reverse (212002222202222), we get a palindrome (434204444402434).

The spelling of 222202222200212 in words is "two hundred twenty-two trillion, two hundred two billion, two hundred twenty-two million, two hundred thousand, two hundred twelve".