224385825 has 48 divisors (see below), whose sum is σ = 389100096. Its totient is φ = 113971200.

The previous prime is 224385823. The next prime is 224385841. The reversal of 224385825 is 528583422.

It is not a de Polignac number, because 224385825 - 2¹ = 224385823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224385823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131377 + ... + 133073.

It is an arithmetic number, because the mean of its divisors is an integer number (8106252).

Almost surely, 2^224385825 is an apocalyptic number.

224385825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224385825 is a deficient number, since it is larger than the sum of its proper divisors (164714271).

224385825 is a wasteful number, since it uses less digits than its factorization.

224385825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794 (or 1789 counting only the distinct ones).

The product of its digits is 153600, while the sum is 39.

The square root of 224385825 is about 14979.5135101244. The cubic root of 224385825 is about 607.6662824466. Note that the first 3 decimals are identical.

The spelling of 224385825 in words is "two hundred twenty-four million, three hundred eighty-five thousand, eight hundred twenty-five".