224457 has 8 divisors (see below), whose sum is σ = 312384. Its totient is φ = 143088.

The previous prime is 224449. The next prime is 224461. The reversal of 224457 is 754422.

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

It is not a de Polignac number, because 224457 - 2³ = 224449 is a prime.

224457 is a lucky number.

It is a plaindrome in base 10 and base 15.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (224467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1558 + ... + 1695.

It is an arithmetic number, because the mean of its divisors is an integer number (39048).

2²²⁴⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

224457 is a deficient number, since it is larger than the sum of its proper divisors (87927).

224457 is a wasteful number, since it uses less digits than its factorization.

224457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279.

The product of its digits is 2240, while the sum is 24.

The square root of 224457 is about 473.7689310202. The cubic root of 224457 is about 60.7730526070.

Adding to 224457 its reverse (754422), we get a palindrome (978879).

The spelling of 224457 in words is "two hundred twenty-four thousand, four hundred fifty-seven".