220858 has 8 divisors (see below), whose sum is σ = 361440. Its totient is φ = 100380.

The previous prime is 220841. The next prime is 220859. The reversal of 220858 is 858022.

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

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (220859) 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, 4998 + ... + 5041.

It is an arithmetic number, because the mean of its divisors is an integer number (45180).

2²²⁰⁸⁵⁸ is an apocalyptic number.

220858 is a deficient number, since it is larger than the sum of its proper divisors (140582).

220858 is a wasteful number, since it uses less digits than its factorization.

220858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10052.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 220858 is about 469.9553170249. The cubic root of 220858 is about 60.4464841059.

The spelling of 220858 in words is "two hundred twenty thousand, eight hundred fifty-eight".