220846 has 8 divisors (see below), whose sum is σ = 345744. Its totient is φ = 105600.

The previous prime is 220841. The next prime is 220859. The reversal of 220846 is 648022.

220846 = T₁₈ + T₁₉ + ... + T₁₀₉.

220846 is nontrivially palindromic in base 12.

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 (220841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2355 + ... + 2446.

It is an arithmetic number, because the mean of its divisors is an integer number (43218).

2²²⁰⁸⁴⁶ is an apocalyptic number.

220846 is a deficient number, since it is larger than the sum of its proper divisors (124898).

220846 is a wasteful number, since it uses less digits than its factorization.

220846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4826.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 220846 is about 469.9425496803. The cubic root of 220846 is about 60.4453893287.

Adding to 220846 its reverse (648022), we get a palindrome (868868).

The spelling of 220846 in words is "two hundred twenty thousand, eight hundred forty-six".