222002202122 has 16 divisors (see below), whose sum is σ = 352615825800. Its totient is φ = 104464485888.

The previous prime is 222002202119. The next prime is 222002202133. The reversal of 222002202122 is 221202200222.

It can be written as a sum of positive squares in 4 ways, for example, as 206880335281 + 15121866841 = 454841^2 + 122971^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 222002202122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299558 + ... + 730574.

Almost surely, 2^222002202122 is an apocalyptic number.

222002202122 is a deficient number, since it is larger than the sum of its proper divisors (130613623678).

222002202122 is a wasteful number, since it uses less digits than its factorization.

222002202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446185.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 222002202122 its reverse (221202200222), we get a palindrome (443204402344).

The spelling of 222002202122 in words is "two hundred twenty-two billion, two million, two hundred two thousand, one hundred twenty-two".