89220 has 24 divisors (see below), whose sum is σ = 249984. Its totient is φ = 23776.

The previous prime is 89213. The next prime is 89227. The reversal of 89220 is 2298.

It is an interprime number because it is at equal distance from previous prime (89213) and next prime (89227).

It is not an unprimeable number, because it can be changed into a prime (89227) by changing a digit.

89220 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684 + ... + 803.

It is an arithmetic number, because the mean of its divisors is an integer number (10416).

2⁸⁹²²⁰ is an apocalyptic number.

It is an amenable number.

89220 is an abundant number, since it is smaller than the sum of its proper divisors (160764).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124992).

89220 is a wasteful number, since it uses less digits than its factorization.

89220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499 (or 1497 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 89220 is about 298.6971710613. The cubic root of 89220 is about 44.6842088469.

The spelling of 89220 in words is "eighty-nine thousand, two hundred twenty".