220798 has 8 divisors (see below), whose sum is σ = 337608. Its totient is φ = 108264.

The previous prime is 220793. The next prime is 220807. The reversal of 220798 is 897022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220793) by changing a digit.

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, 936 + ... + 1147.

It is an arithmetic number, because the mean of its divisors is an integer number (42201).

2²²⁰⁷⁹⁸ is an apocalyptic number.

220798 is a deficient number, since it is larger than the sum of its proper divisors (116810).

220798 is a wasteful number, since it uses less digits than its factorization.

220798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 220798 is about 469.8914768327. The cubic root of 220798 is about 60.4410098230.

The spelling of 220798 in words is "two hundred twenty thousand, seven hundred ninety-eight".