200222122 has 4 divisors (see below), whose sum is σ = 300333186. Its totient is φ = 100111060.

The previous prime is 200222093. The next prime is 200222129. The reversal of 200222122 is 221222002.

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., 194017041 + 6205081 = 13929^2 + 2491^2 .

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 not an unprimeable number, because it can be changed into a prime (200222129) by changing a digit.

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 as a sum of consecutive naturals, namely, 50055529 + ... + 50055532.

Almost surely, 2^200222122 is an apocalyptic number.

200222122 is a deficient number, since it is larger than the sum of its proper divisors (100111064).

200222122 is a wasteful number, since it uses less digits than its factorization.

200222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100111063.

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

The square root of 200222122 is about 14149.9866431032. The cubic root of 200222122 is about 585.0199637670.

Adding to 200222122 its reverse (221222002), we get a palindrome (421444124).

It can be divided in two parts, 2002 and 22122, that multiplied together give a palindrome (44288244).

The spelling of 200222122 in words is "two hundred million, two hundred twenty-two thousand, one hundred twenty-two".