223454865 has 16 divisors (see below), whose sum is σ = 357856128. Its totient is φ = 119066496.

The previous prime is 223454863. The next prime is 223454887. The reversal of 223454865 is 568454322.

It is not a de Polignac number, because 223454865 - 2¹ = 223454863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223454863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11652 + ... + 24138.

It is an arithmetic number, because the mean of its divisors is an integer number (22366008).

Almost surely, 2^223454865 is an apocalyptic number.

It is an amenable number.

223454865 is a deficient number, since it is larger than the sum of its proper divisors (134401263).

223454865 is a wasteful number, since it uses less digits than its factorization.

223454865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13688.

The product of its digits is 230400, while the sum is 39.

The square root of 223454865 is about 14948.4067712917. The cubic root of 223454865 is about 606.8247302116.

The spelling of 223454865 in words is "two hundred twenty-three million, four hundred fifty-four thousand, eight hundred sixty-five".