5582218 has 4 divisors (see below), whose sum is σ = 8373330. Its totient is φ = 2791108.

The previous prime is 5582209. The next prime is 5582231. The reversal of 5582218 is 8122855.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2948089 + 2634129 = 1717^2 + 1623^2 .

It is a super-2 number, since 2×5582218² = 62322315599048, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 5582218.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1395553 + ... + 1395556.

Almost surely, 2^5582218 is an apocalyptic number.

5582218 is a deficient number, since it is larger than the sum of its proper divisors (2791112).

5582218 is a wasteful number, since it uses less digits than its factorization.

5582218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791111.

The product of its digits is 6400, while the sum is 31.

The square root of 5582218 is about 2362.6717926957. The cubic root of 5582218 is about 177.3926402283.

The spelling of 5582218 in words is "five million, five hundred eighty-two thousand, two hundred eighteen".