222200122 has 4 divisors (see below), whose sum is σ = 333300186. Its totient is φ = 111100060.

The previous prime is 222200119. The next prime is 222200129. The reversal of 222200122 is 221002222.

222200122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 172370641 + 49829481 = 13129^2 + 7059^2 .

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 (222200129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550029 + ... + 55550032.

Almost surely, 2^222200122 is an apocalyptic number.

222200122 is a deficient number, since it is larger than the sum of its proper divisors (111100064).

222200122 is a wasteful number, since it uses less digits than its factorization.

222200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111100063.

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

The square root of 222200122 is about 14906.3785675797. The cubic root of 222200122 is about 605.6867842273.

Adding to 222200122 its reverse (221002222), we get a palindrome (443202344).

The spelling of 222200122 in words is "two hundred twenty-two million, two hundred thousand, one hundred twenty-two".