222866868 has 48 divisors (see below), whose sum is σ = 600104960. Its totient is φ = 63055584.

The previous prime is 222866867. The next prime is 222866879. The reversal of 222866868 is 868668222.

222866868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222866867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4228 + ... + 21531.

Almost surely, 2^222866868 is an apocalyptic number.

222866868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

222866868 is an abundant number, since it is smaller than the sum of its proper divisors (377238092).

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

222866868 is a wasteful number, since it uses less digits than its factorization.

222866868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25876 (or 25874 counting only the distinct ones).

The product of its digits is 884736, while the sum is 48.

The square root of 222866868 is about 14928.7262685066. The cubic root of 222866868 is about 606.2919983942.

It can be divided in two parts, 2228 and 66868, that added together give a palindrome (69096).

The spelling of 222866868 in words is "two hundred twenty-two million, eight hundred sixty-six thousand, eight hundred sixty-eight".