222116146 has 8 divisors (see below), whose sum is σ = 380770560. Its totient is φ = 95192628.

The previous prime is 222116131. The next prime is 222116159. The reversal of 222116146 is 641611222.

It is a happy number.

222116146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 222116146.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7932706 + ... + 7932733.

It is an arithmetic number, because the mean of its divisors is an integer number (47596320).

Almost surely, 2^222116146 is an apocalyptic number.

222116146 is a deficient number, since it is larger than the sum of its proper divisors (158654414).

222116146 is a wasteful number, since it uses less digits than its factorization.

222116146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15865448.

The product of its digits is 1152, while the sum is 25.

The square root of 222116146 is about 14903.5615206567. The cubic root of 222116146 is about 605.6104722945.

Adding to 222116146 its reverse (641611222), we get a palindrome (863727368).

The spelling of 222116146 in words is "two hundred twenty-two million, one hundred sixteen thousand, one hundred forty-six".