224473321 has 16 divisors (see below), whose sum is σ = 242173584. Its totient is φ = 207304704.

The previous prime is 224473313. The next prime is 224473349. The reversal of 224473321 is 123374422.

It can be written as a sum of positive squares in 8 ways, for example, as 4247721 + 220225600 = 2061^2 + 14840^2 .

It is a cyclic number.

It is not a de Polignac number, because 224473321 - 2³ = 224473313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224473321.

It is not an unprimeable number, because it can be changed into a prime (224473121) 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, 343431 + ... + 344083.

It is an arithmetic number, because the mean of its divisors is an integer number (15135849).

Almost surely, 2^224473321 is an apocalyptic number.

It is an amenable number.

224473321 is a deficient number, since it is larger than the sum of its proper divisors (17700263).

224473321 is a wasteful number, since it uses less digits than its factorization.

224473321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020.

The product of its digits is 8064, while the sum is 28.

The square root of 224473321 is about 14982.4337475592. The cubic root of 224473321 is about 607.7452557356.

The spelling of 224473321 in words is "two hundred twenty-four million, four hundred seventy-three thousand, three hundred twenty-one".