222668916 has 24 divisors (see below), whose sum is σ = 520477440. Its totient is φ = 74092032.

The previous prime is 222668899. The next prime is 222668917. The reversal of 222668916 is 619866222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222668917) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9156 + ... + 23003.

It is an arithmetic number, because the mean of its divisors is an integer number (21686560).

Almost surely, 2^222668916 is an apocalyptic number.

It is an amenable number.

222668916 is an abundant number, since it is smaller than the sum of its proper divisors (297808524).

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

222668916 is a wasteful number, since it uses less digits than its factorization.

222668916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32743 (or 32741 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 222668916 is about 14922.0948931442. The cubic root of 222668916 is about 606.1124408770.

The spelling of 222668916 in words is "two hundred twenty-two million, six hundred sixty-eight thousand, nine hundred sixteen".