10808218 has 8 divisors (see below), whose sum is σ = 16650612. Its totient is φ = 5258016.

The previous prime is 10808191. The next prime is 10808221. The reversal of 10808218 is 81280801.

It can be written as a sum of positive squares in 2 ways, for example, as 10156969 + 651249 = 3187^2 + 807^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72955 + ... + 73102.

Almost surely, 2^10808218 is an apocalyptic number.

10808218 is a deficient number, since it is larger than the sum of its proper divisors (5842394).

10808218 is a wasteful number, since it uses less digits than its factorization.

10808218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146096.

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 10808218 is about 3287.5854361522. The cubic root of 10808218 is about 221.0979412055.

It can be divided in two parts, 10808 and 218, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 10808218 in words is "ten million, eight hundred eight thousand, two hundred eighteen".