222143808 has 112 divisors (see below), whose sum is σ = 608624640. Its totient is φ = 71468544.

The previous prime is 222143807. The next prime is 222143837. The reversal of 222143808 is 808341222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222143807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 929353 + ... + 929591.

Almost surely, 2^222143808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222143808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304312320).

222143808 is an abundant number, since it is smaller than the sum of its proper divisors (386480832).

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

222143808 is a wasteful number, since it uses less digits than its factorization.

222143808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 222143808 is about 14904.4895249720. The cubic root of 222143808 is about 605.6356118469.

The spelling of 222143808 in words is "two hundred twenty-two million, one hundred forty-three thousand, eight hundred eight".