224912000 has 64 divisors (see below), whose sum is σ = 559227240. Its totient is φ = 89958400.

The previous prime is 224911997. The next prime is 224912029. The reversal of 224912000 is 219422.

It can be written as a sum of positive squares in 4 ways, for example, as 15936064 + 208975936 = 3992^2 + 14456^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8972 + ... + 23028.

Almost surely, 2^224912000 is an apocalyptic number.

224912000 is a gapful number since it is divisible by the number (20) 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 224912000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279613620).

224912000 is an abundant number, since it is smaller than the sum of its proper divisors (334315240).

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

224912000 is an equidigital number, since it uses as much as digits as its factorization.

224912000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14086 (or 14064 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 224912000 is about 14997.0663797957. The cubic root of 224912000 is about 608.1408953248.

The spelling of 224912000 in words is "two hundred twenty-four million, nine hundred twelve thousand".