224427 has 8 divisors (see below), whose sum is σ = 342016. Its totient is φ = 128232.

The previous prime is 224423. The next prime is 224429. The reversal of 224427 is 724422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 224427 - 2² = 224423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 10687 = 224427 / (2 + 2 + 4 + 4 + 2 + 7).

It is a Duffinian number.

224427 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (224423) 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 7 ways as a sum of consecutive naturals, for example, 5323 + ... + 5364.

It is an arithmetic number, because the mean of its divisors is an integer number (42752).

2²²⁴⁴²⁷ is an apocalyptic number.

224427 is a deficient number, since it is larger than the sum of its proper divisors (117589).

224427 is a wasteful number, since it uses less digits than its factorization.

224427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10697.

The product of its digits is 896, while the sum is 21.

The square root of 224427 is about 473.7372689582. The cubic root of 224427 is about 60.7703449276.

Adding to 224427 its reverse (724422), we get a palindrome (948849).

The spelling of 224427 in words is "two hundred twenty-four thousand, four hundred twenty-seven", and thus it is an iban number.