220924 has 12 divisors (see below), whose sum is σ = 421848. Its totient is φ = 100400.

The previous prime is 220919. The next prime is 220931. The reversal of 220924 is 429022.

It is a happy number.

It is a zygodrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2467 + ... + 2554.

It is an arithmetic number, because the mean of its divisors is an integer number (35154).

2²²⁰⁹²⁴ is an apocalyptic number.

It is an amenable number.

220924 is a deficient number, since it is larger than the sum of its proper divisors (200924).

220924 is a wasteful number, since it uses less digits than its factorization.

220924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5036 (or 5034 counting only the distinct ones).

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

The square root of 220924 is about 470.0255312214. The cubic root of 220924 is about 60.4525046721.

Adding to 220924 its reverse (429022), we get a palindrome (649946).

The spelling of 220924 in words is "two hundred twenty thousand, nine hundred twenty-four".