220486 has 8 divisors (see below), whose sum is σ = 378000. Its totient is φ = 94488.

The previous prime is 220471. The next prime is 220511. The reversal of 220486 is 684022.

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

It is a super-2 number, since 2×220486² = 97228152392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7861 + ... + 7888.

It is an arithmetic number, because the mean of its divisors is an integer number (47250).

2²²⁰⁴⁸⁶ is an apocalyptic number.

220486 is a deficient number, since it is larger than the sum of its proper divisors (157514).

220486 is a wasteful number, since it uses less digits than its factorization.

220486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15758.

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

The square root of 220486 is about 469.5593679185. The cubic root of 220486 is about 60.4125275537.

The spelling of 220486 in words is "two hundred twenty thousand, four hundred eighty-six".