222668366 has 4 divisors (see below), whose sum is σ = 334002552. Its totient is φ = 111334182.

The previous prime is 222668357. The next prime is 222668377. The reversal of 222668366 is 663866222.

222668366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55667090 + ... + 55667093.

It is an arithmetic number, because the mean of its divisors is an integer number (83500638).

Almost surely, 2^222668366 is an apocalyptic number.

222668366 is a deficient number, since it is larger than the sum of its proper divisors (111334186).

222668366 is a wasteful number, since it uses less digits than its factorization.

222668366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111334185.

The product of its digits is 248832, while the sum is 41.

The square root of 222668366 is about 14922.0764640850. The cubic root of 222668366 is about 606.1119418369. Note that the first 3 decimals are identical.

The spelling of 222668366 in words is "two hundred twenty-two million, six hundred sixty-eight thousand, three hundred sixty-six".