220598 has 12 divisors (see below), whose sum is σ = 385092. Its totient is φ = 94500.

The previous prime is 220589. The next prime is 220613. The reversal of 220598 is 895022.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

220598 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 5 ways as a sum of consecutive naturals, for example, 1028 + ... + 1223.

It is an arithmetic number, because the mean of its divisors is an integer number (32091).

2²²⁰⁵⁹⁸ is an apocalyptic number.

220598 is a deficient number, since it is larger than the sum of its proper divisors (164494).

220598 is a wasteful number, since it uses less digits than its factorization.

220598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267 (or 2260 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 220598 is about 469.6786135221. The cubic root of 220598 is about 60.4227550477.

It can be divided in two parts, 220 and 598, that added together give a palindrome (818).

The spelling of 220598 in words is "two hundred twenty thousand, five hundred ninety-eight".