224920 has 16 divisors (see below), whose sum is σ = 506160. Its totient is φ = 89952.

The previous prime is 224911. The next prime is 224921. The reversal of 224920 is 29422.

It is a happy number.

224920 is nontrivially palindromic in base 13.

It is an Ulam number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2772 + ... + 2851.

It is an arithmetic number, because the mean of its divisors is an integer number (31635).

2²²⁴⁹²⁰ is an apocalyptic number.

224920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224920 is an abundant number, since it is smaller than the sum of its proper divisors (281240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224920 is a wasteful number, since it uses less digits than its factorization.

224920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5634 (or 5630 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 224920 is about 474.2573141239. The cubic root of 224920 is about 60.8148105655.

The spelling of 224920 in words is "two hundred twenty-four thousand, nine hundred twenty".