222408868 has 24 divisors (see below), whose sum is σ = 428811264. Its totient is φ = 100092000.

The previous prime is 222408853. The next prime is 222408899. The reversal of 222408868 is 868804222.

It is a self number, because there is not a number n which added to its sum of digits gives 222408868.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20580 + ... + 29467.

It is an arithmetic number, because the mean of its divisors is an integer number (17867136).

Almost surely, 2^222408868 is an apocalyptic number.

It is an amenable number.

222408868 is a deficient number, since it is larger than the sum of its proper divisors (206402396).

222408868 is a wasteful number, since it uses less digits than its factorization.

222408868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50163 (or 50161 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 222408868 is about 14913.3788257390. The cubic root of 222408868 is about 605.8763957659.

The spelling of 222408868 in words is "two hundred twenty-two million, four hundred eight thousand, eight hundred sixty-eight".