224245305 has 12 divisors (see below), whose sum is σ = 388691940. Its totient is φ = 119597472.

The previous prime is 224245303. The next prime is 224245309. The reversal of 224245305 is 503542422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 113806224 + 110439081 = 10668^2 + 10509^2 .

It is not a de Polignac number, because 224245305 - 2¹ = 224245303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224245303) 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 11 ways as a sum of consecutive naturals, for example, 2491570 + ... + 2491659.

It is an arithmetic number, because the mean of its divisors is an integer number (32390995).

Almost surely, 2^224245305 is an apocalyptic number.

It is an amenable number.

224245305 is a deficient number, since it is larger than the sum of its proper divisors (164446635).

224245305 is a wasteful number, since it uses less digits than its factorization.

224245305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4983240 (or 4983237 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 224245305 is about 14974.8223695642. The cubic root of 224245305 is about 607.5394070865.

Adding to 224245305 its reverse (503542422), we get a palindrome (727787727).

The spelling of 224245305 in words is "two hundred twenty-four million, two hundred forty-five thousand, three hundred five".