298220 has 48 divisors (see below), whose sum is σ = 715008. Its totient is φ = 103680.

The previous prime is 298213. The next prime is 298223. The reversal of 298220 is 22892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8042 + ... + 8078.

It is an arithmetic number, because the mean of its divisors is an integer number (14896).

2²⁹⁸²²⁰ is an apocalyptic number.

298220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 298220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357504).

298220 is an abundant number, since it is smaller than the sum of its proper divisors (416788).

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

298220 is a wasteful number, since it uses less digits than its factorization.

298220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 298220 is about 546.0952297906. The cubic root of 298220 is about 66.8106333247.

The spelling of 298220 in words is "two hundred ninety-eight thousand, two hundred twenty".