10218214 has 4 divisors (see below), whose sum is σ = 15327324. Its totient is φ = 5109106.

The previous prime is 10218211. The next prime is 10218227. The reversal of 10218214 is 41281201.

It is a happy number.

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

It is a super-3 number, since 3×10218214³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10218191 and 10218200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10218211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2554552 + ... + 2554555.

It is an arithmetic number, because the mean of its divisors is an integer number (3831831).

Almost surely, 2^10218214 is an apocalyptic number.

10218214 is a deficient number, since it is larger than the sum of its proper divisors (5109110).

10218214 is an equidigital number, since it uses as much as digits as its factorization.

10218214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5109109.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 10218214 is about 3196.5941250024. The cubic root of 10218214 is about 216.9992991971. Note that the first 3 decimals are identical.

Adding to 10218214 its reverse (41281201), we get a palindrome (51499415).

The spelling of 10218214 in words is "ten million, two hundred eighteen thousand, two hundred fourteen".