222478468 has 24 divisors (see below), whose sum is σ = 399271320. Its totient is φ = 108433920.

The previous prime is 222478463. The next prime is 222478513. The reversal of 222478468 is 864874222.

222478468 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 71876484 + 150601984 = 8478^2 + 12272^2 .

It is not an unprimeable number, because it can be changed into a prime (222478463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23538 + ... + 31606.

It is an arithmetic number, because the mean of its divisors is an integer number (16636305).

Almost surely, 2^222478468 is an apocalyptic number.

It is an amenable number.

222478468 is a deficient number, since it is larger than the sum of its proper divisors (176792852).

222478468 is a wasteful number, since it uses less digits than its factorization.

222478468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8247 (or 8245 counting only the distinct ones).

The product of its digits is 344064, while the sum is 43.

The square root of 222478468 is about 14915.7121184340. The cubic root of 222478468 is about 605.9395895878.

The spelling of 222478468 in words is "two hundred twenty-two million, four hundred seventy-eight thousand, four hundred sixty-eight".