220698 has 32 divisors (see below), whose sum is σ = 505920. Its totient is φ = 71280.

The previous prime is 220687. The next prime is 220699. The reversal of 220698 is 896022.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (220699) 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, 3261 + ... + 3327.

It is an arithmetic number, because the mean of its divisors is an integer number (15810).

2²²⁰⁶⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252960).

220698 is an abundant number, since it is smaller than the sum of its proper divisors (285222).

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

220698 is a wasteful number, since it uses less digits than its factorization.

220698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 220698 is about 469.7850572336. The cubic root of 220698 is about 60.4318838139.

It can be divided in two parts, 2206 and 98, that added together give a square (2304 = 48²).

The spelling of 220698 in words is "two hundred twenty thousand, six hundred ninety-eight".