220498 has 8 divisors (see below), whose sum is σ = 338940. Its totient is φ = 107520.

The previous prime is 220471. The next prime is 220511. The reversal of 220498 is 894022.

It can be written as a sum of positive squares in 2 ways, for example, as 154449 + 66049 = 393^2 + 257^2 .

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

It is an unprimeable number.

220498 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 3 ways as a sum of consecutive naturals, for example, 1263 + ... + 1426.

2²²⁰⁴⁹⁸ is an apocalyptic number.

220498 is a deficient number, since it is larger than the sum of its proper divisors (118442).

220498 is a wasteful number, since it uses less digits than its factorization.

220498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 220498 is about 469.5721456816. The cubic root of 220498 is about 60.4136235222.

The spelling of 220498 in words is "two hundred twenty thousand, four hundred ninety-eight".