98220 has 24 divisors (see below), whose sum is σ = 275184. Its totient is φ = 26176.

The previous prime is 98213. The next prime is 98221. The reversal of 98220 is 2289.

It is an Ulam number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (98221) by changing a digit.

98220 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759 + ... + 878.

It is an arithmetic number, because the mean of its divisors is an integer number (11466).

2⁹⁸²²⁰ is an apocalyptic number.

It is an amenable number.

98220 is an abundant number, since it is smaller than the sum of its proper divisors (176964).

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 (137592).

98220 is a wasteful number, since it uses less digits than its factorization.

98220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649 (or 1647 counting only the distinct ones).

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

The square root of 98220 is about 313.4007019775. The cubic root of 98220 is about 46.1388369999.

The spelling of 98220 in words is "ninety-eight thousand, two hundred twenty".