10216218 has 32 divisors (see below), whose sum is σ = 22227264. Its totient is φ = 3117312.

The previous prime is 10216189. The next prime is 10216229. The reversal of 10216218 is 81261201.

It is a super-2 number, since 2×10216218² = 208742220447048, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10216194 and 10216203.

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 15 ways as a sum of consecutive naturals, for example, 2421 + ... + 5127.

It is an arithmetic number, because the mean of its divisors is an integer number (694602).

Almost surely, 2^10216218 is an apocalyptic number.

10216218 is an abundant number, since it is smaller than the sum of its proper divisors (12011046).

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

10216218 is a wasteful number, since it uses less digits than its factorization.

10216218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 10216218 is about 3196.2819024610. The cubic root of 10216218 is about 216.9851689128.

Adding to 10216218 its reverse (81261201), we get a palindrome (91477419).

The spelling of 10216218 in words is "ten million, two hundred sixteen thousand, two hundred eighteen".