224407 has 4 divisors (see below), whose sum is σ = 225400. Its totient is φ = 223416.

The previous prime is 224401. The next prime is 224423. The reversal of 224407 is 704422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28 + ... + 670.

It is an arithmetic number, because the mean of its divisors is an integer number (56350).

2²²⁴⁴⁰⁷ is an apocalyptic number.

224407 is the 274-th hex number.

224407 is a deficient number, since it is larger than the sum of its proper divisors (993).

224407 is an equidigital number, since it uses as much as digits as its factorization.

224407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 224407 is about 473.7161597413. The cubic root of 224407 is about 60.7685396739.

Adding to 224407 its reverse (704422), we get a palindrome (928829).

It can be divided in two parts, 22440 and 7, that multiplied together give a triangular number (157080 = T₅₆₀).

The spelling of 224407 in words is "two hundred twenty-four thousand, four hundred seven", and thus it is an iban number.