10003218 has 16 divisors (see below), whose sum is σ = 20043936. Its totient is φ = 3328160.

The previous prime is 10003199. The next prime is 10003223. The reversal of 10003218 is 81230001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10003197 and 10003206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2878 + ... + 5318.

It is an arithmetic number, because the mean of its divisors is an integer number (1252746).

Almost surely, 2^10003218 is an apocalyptic number.

10003218 is an abundant number, since it is smaller than the sum of its proper divisors (10040718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10003218 is a wasteful number, since it uses less digits than its factorization.

10003218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 10003218 is about 3162.7864297167. The cubic root of 10003218 is about 215.4665764275.

Adding to 10003218 its reverse (81230001), we get a palindrome (91233219).

The spelling of 10003218 in words is "ten million, three thousand, two hundred eighteen".