224399808 has 168 divisors, whose sum is σ = 683434752. Its totient is φ = 72969984.

The previous prime is 224399803. The next prime is 224399809. The reversal of 224399808 is 808993422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224399803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 730791 + ... + 731097.

It is an arithmetic number, because the mean of its divisors is an integer number (4068064).

Almost surely, 2^224399808 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 224399808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341717376).

224399808 is an abundant number, since it is smaller than the sum of its proper divisors (459034944).

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

224399808 is an equidigital number, since it uses as much as digits as its factorization.

224399808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 224399808 is about 14979.9802403074. The cubic root of 224399808 is about 607.6789047845.

The spelling of 224399808 in words is "two hundred twenty-four million, three hundred ninety-nine thousand, eight hundred eight".