222102212202 has 24 divisors (see below), whose sum is σ = 518238495684. Its totient is φ = 68339142144.

The previous prime is 222102212177. The next prime is 222102212219. The reversal of 222102212202 is 202212201222.

222102212202 is a `hidden beast` number, since 2 + 221 + 0 + 221 + 220 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 168953059521 + 53149152681 = 411039^2 + 230541^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 474577143 + ... + 474577610.

Almost surely, 2^222102212202 is an apocalyptic number.

222102212202 is an abundant number, since it is smaller than the sum of its proper divisors (296136283482).

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

222102212202 is a wasteful number, since it uses less digits than its factorization.

222102212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949154774 (or 949154771 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222102212202 its reverse (202212201222), we get a palindrome (424314413424).

The spelling of 222102212202 in words is "two hundred twenty-two billion, one hundred two million, two hundred twelve thousand, two hundred two".