224851905 has 12 divisors (see below), whose sum is σ = 389743380. Its totient is φ = 119920992.

The previous prime is 224851889. The next prime is 224851919. The reversal of 224851905 is 509158422.

It can be written as a sum of positive squares in 2 ways, for example, as 49660209 + 175191696 = 7047^2 + 13236^2 .

It is not a de Polignac number, because 224851905 - 2⁴ = 224851889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224851905.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2498310 + ... + 2498399.

It is an arithmetic number, because the mean of its divisors is an integer number (32478615).

Almost surely, 2^224851905 is an apocalyptic number.

It is an amenable number.

224851905 is a deficient number, since it is larger than the sum of its proper divisors (164891475).

224851905 is a wasteful number, since it uses less digits than its factorization.

224851905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4996720 (or 4996717 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 224851905 is about 14995.0626874315. The cubic root of 224851905 is about 608.0867267573.

The spelling of 224851905 in words is "two hundred twenty-four million, eight hundred fifty-one thousand, nine hundred five".