1000222200202 has 4 divisors (see below), whose sum is σ = 1500333300306. Its totient is φ = 500111100100.

The previous prime is 1000222200161. The next prime is 1000222200239. The reversal of 1000222200202 is 2020022220001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 932033845561 + 68188354641 = 965419^2 + 261129^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250055550049 + ... + 250055550052.

Almost surely, 2^{1000222200202} is an apocalyptic number.

1000222200202 is a deficient number, since it is larger than the sum of its proper divisors (500111100104).

1000222200202 is an equidigital number, since it uses as much as digits as its factorization.

1000222200202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500111100103.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 1000222200202 its reverse (2020022220001), we get a palindrome (3020244420203).

The spelling of 1000222200202 in words is "one trillion, two hundred twenty-two million, two hundred thousand, two hundred two".