224393865 has 24 divisors (see below), whose sum is σ = 375332160. Its totient is φ = 114469344.

The previous prime is 224393849. The next prime is 224393879. The reversal of 224393865 is 568393422.

It is not a de Polignac number, because 224393865 - 2⁴ = 224393849 is a prime.

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, 6205 + ... + 22074.

It is an arithmetic number, because the mean of its divisors is an integer number (15638840).

Almost surely, 2^224393865 is an apocalyptic number.

It is an amenable number.

224393865 is a deficient number, since it is larger than the sum of its proper divisors (150938295).

224393865 is a wasteful number, since it uses less digits than its factorization.

224393865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28333 (or 28310 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 224393865 is about 14979.7818742464. The cubic root of 224393865 is about 607.6735401519.

The spelling of 224393865 in words is "two hundred twenty-four million, three hundred ninety-three thousand, eight hundred sixty-five".