222666716 has 6 divisors (see below), whose sum is σ = 389666760. Its totient is φ = 111333356.

The previous prime is 222666713. The next prime is 222666737. The reversal of 222666716 is 617666222.

It is a self number, because there is not a number n which added to its sum of digits gives 222666716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222666713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27833336 + ... + 27833343.

It is an arithmetic number, because the mean of its divisors is an integer number (64944460).

Almost surely, 2^222666716 is an apocalyptic number.

It is an amenable number.

222666716 is a deficient number, since it is larger than the sum of its proper divisors (167000044).

222666716 is a wasteful number, since it uses less digits than its factorization.

222666716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55666683 (or 55666681 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 222666716 is about 14922.0211767709. The cubic root of 222666716 is about 606.1104447119.

It can be divided in two parts, 22266 and 6716, that added together give a palindrome (28982).

The spelling of 222666716 in words is "two hundred twenty-two million, six hundred sixty-six thousand, seven hundred sixteen".