222814866 has 8 divisors (see below), whose sum is σ = 445629744. Its totient is φ = 74271620.

The previous prime is 222814861. The next prime is 222814873. The reversal of 222814866 is 668418222.

222814866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

222814866 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222814861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18567900 + ... + 18567911.

It is an arithmetic number, because the mean of its divisors is an integer number (55703718).

Almost surely, 2^222814866 is an apocalyptic number.

222814866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

222814866 is a wasteful number, since it uses less digits than its factorization.

222814866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37135816.

The product of its digits is 73728, while the sum is 39.

The square root of 222814866 is about 14926.9844911824. The cubic root of 222814866 is about 606.2448389258.

The spelling of 222814866 in words is "two hundred twenty-two million, eight hundred fourteen thousand, eight hundred sixty-six".