224215245 has 24 divisors (see below), whose sum is σ = 389750400. Its totient is φ = 119239776.

The previous prime is 224215237. The next prime is 224215273. The reversal of 224215245 is 542512422.

224215245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 224215245 - 2³ = 224215237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9216 + ... + 23094.

It is an arithmetic number, because the mean of its divisors is an integer number (16239600).

Almost surely, 2^224215245 is an apocalyptic number.

It is an amenable number.

224215245 is a deficient number, since it is larger than the sum of its proper divisors (165535155).

224215245 is a wasteful number, since it uses less digits than its factorization.

224215245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14249 (or 14246 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 224215245 is about 14973.8186512326. The cubic root of 224215245 is about 607.5122590627.

Adding to 224215245 its reverse (542512422), we get a palindrome (766727667).

The spelling of 224215245 in words is "two hundred twenty-four million, two hundred fifteen thousand, two hundred forty-five".