224469 has 18 divisors (see below), whose sum is σ = 377910. Its totient is φ = 128016.

The previous prime is 224467. The next prime is 224473. The reversal of 224469 is 964422.

It can be written as a sum of positive squares in only one way, i.e., 213444 + 11025 = 462^2 + 105^2 .

It is not a de Polignac number, because 224469 - 2¹ = 224467 is a prime.

It is a super-2 number, since 2×224469² = 100772663922, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 10 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224461) 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 17 ways as a sum of consecutive naturals, for example, 187 + ... + 695.

It is an arithmetic number, because the mean of its divisors is an integer number (20995).

2²²⁴⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

224469 is a deficient number, since it is larger than the sum of its proper divisors (153441).

224469 is a wasteful number, since it uses less digits than its factorization.

224469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 519 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 224469 is about 473.7815952525. The cubic root of 224469 is about 60.7741356112.

The spelling of 224469 in words is "two hundred twenty-four thousand, four hundred sixty-nine".