222448916 has 12 divisors (see below), whose sum is σ = 406211232. Its totient is φ = 106388568.

The previous prime is 222448909. The next prime is 222448931. The reversal of 222448916 is 619844222.

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 222448916.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208870 + ... + 1209053.

It is an arithmetic number, because the mean of its divisors is an integer number (33850936).

Almost surely, 2^222448916 is an apocalyptic number.

It is an amenable number.

222448916 is a deficient number, since it is larger than the sum of its proper divisors (183762316).

222448916 is a wasteful number, since it uses less digits than its factorization.

222448916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417950 (or 2417948 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 222448916 is about 14914.7214523101. The cubic root of 222448916 is about 605.9127592465.

The spelling of 222448916 in words is "two hundred twenty-two million, four hundred forty-eight thousand, nine hundred sixteen".