14209218 has 24 divisors (see below), whose sum is σ = 31293756. Its totient is φ = 4658400.

The previous prime is 14209213. The next prime is 14209219. The reversal of 14209218 is 81290241.

It can be written as a sum of positive squares in 2 ways, for example, as 13816089 + 393129 = 3717^2 + 627^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 14209191 and 14209200.

It is not an unprimeable number, because it can be changed into a prime (14209213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5373 + ... + 7568.

Almost surely, 2^14209218 is an apocalyptic number.

14209218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

14209218 is an abundant number, since it is smaller than the sum of its proper divisors (17084538).

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

14209218 is a wasteful number, since it uses less digits than its factorization.

14209218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13010 (or 13007 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 14209218 is about 3769.5116394568. The cubic root of 14209218 is about 242.2088786927.

Adding to 14209218 its reverse (81290241), we get a palindrome (95499459).

The spelling of 14209218 in words is "fourteen million, two hundred nine thousand, two hundred eighteen".