222022156266 has 24 divisors (see below), whose sum is σ = 494049304164. Its totient is φ = 72007185600.

The previous prime is 222022156249. The next prime is 222022156289. The reversal of 222022156266 is 662651220222.

222022156266 is a `hidden beast` number, since 2 + 2 + 2 + 0 + 2 + 21 + 5 + 626 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 212599377225 + 9422779041 = 461085^2 + 97071^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222022156266.

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 11 ways as a sum of consecutive naturals, for example, 166682635 + ... + 166683966.

Almost surely, 2^222022156266 is an apocalyptic number.

222022156266 is an abundant number, since it is smaller than the sum of its proper divisors (272027147898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222022156266 is a wasteful number, since it uses less digits than its factorization.

222022156266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333366646 (or 333366643 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 222022156266 its reverse (662651220222), we get a palindrome (884673376488).

The spelling of 222022156266 in words is "two hundred twenty-two billion, twenty-two million, one hundred fifty-six thousand, two hundred sixty-six".