222016576 has 112 divisors (see below), whose sum is σ = 484723440. Its totient is φ = 100638720.

The previous prime is 222016519. The next prime is 222016589. The reversal of 222016576 is 675610222.

It can be written as a sum of positive squares in 8 ways, for example, as 602176 + 221414400 = 776^2 + 14880^2 .

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 15 ways as a sum of consecutive naturals, for example, 3639586 + ... + 3639646.

Almost surely, 2^222016576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222016576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242361720).

222016576 is an abundant number, since it is smaller than the sum of its proper divisors (262706864).

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

222016576 is a wasteful number, since it uses less digits than its factorization.

222016576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 222016576 is about 14900.2206695069. The cubic root of 222016576 is about 605.5199646201.

Adding to 222016576 its reverse (675610222), we get a palindrome (897626798).

The spelling of 222016576 in words is "two hundred twenty-two million, sixteen thousand, five hundred seventy-six".