222099808 has 48 divisors (see below), whose sum is σ = 504723744. Its totient is φ = 94233600.

The previous prime is 222099803. The next prime is 222099809. The reversal of 222099808 is 808990222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222099803) 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, 17716 + ... + 27532.

It is an arithmetic number, because the mean of its divisors is an integer number (10515078).

Almost surely, 2^222099808 is an apocalyptic number.

222099808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222099808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252361872).

222099808 is an abundant number, since it is smaller than the sum of its proper divisors (282623936).

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

222099808 is a wasteful number, since it uses less digits than its factorization.

222099808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9935 (or 9927 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 222099808 is about 14903.0133865605. The cubic root of 222099808 is about 605.5956231466.

The spelling of 222099808 in words is "two hundred twenty-two million, ninety-nine thousand, eight hundred eight".