248218 has 8 divisors (see below), whose sum is σ = 377280. Its totient is φ = 122460.

The previous prime is 248203. The next prime is 248231. The reversal of 248218 is 812842.

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

It is a super-2 number, since 2×248218² = 123224351048, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 248192 and 248201.

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, 628 + ... + 943.

It is an arithmetic number, because the mean of its divisors is an integer number (47160).

2²⁴⁸²¹⁸ is an apocalyptic number.

248218 is a deficient number, since it is larger than the sum of its proper divisors (129062).

248218 is a wasteful number, since it uses less digits than its factorization.

248218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652.

The product of its digits is 1024, while the sum is 25.

The square root of 248218 is about 498.2148131078. The cubic root of 248218 is about 62.8460168226.

It can be divided in two parts, 2482 and 18, that added together give a square (2500 = 50²).

The spelling of 248218 in words is "two hundred forty-eight thousand, two hundred eighteen".