222452946 has 64 divisors (see below), whose sum is σ = 503808000. Its totient is φ = 72748368.

The previous prime is 222452929. The next prime is 222452953. The reversal of 222452946 is 649254222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 222452946.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1117755 + ... + 1117953.

It is an arithmetic number, because the mean of its divisors is an integer number (7872000).

Almost surely, 2^222452946 is an apocalyptic number.

222452946 is an abundant number, since it is smaller than the sum of its proper divisors (281355054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222452946 is a wasteful number, since it uses less digits than its factorization.

222452946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 494 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 222452946 is about 14914.8565531151. The cubic root of 222452946 is about 605.9164182344.

The spelling of 222452946 in words is "two hundred twenty-two million, four hundred fifty-two thousand, nine hundred forty-six".