14205218 has 4 divisors (see below), whose sum is σ = 21307830. Its totient is φ = 7102608.

The previous prime is 14205209. The next prime is 14205221. The reversal of 14205218 is 81250241.

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

It can be written as a sum of positive squares in only one way, i.e., 12866569 + 1338649 = 3587^2 + 1157^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14205193 and 14205202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3551303 + ... + 3551306.

Almost surely, 2^14205218 is an apocalyptic number.

14205218 is a deficient number, since it is larger than the sum of its proper divisors (7102612).

14205218 is an equidigital number, since it uses as much as digits as its factorization.

14205218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7102611.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 14205218 is about 3768.9810294030. The cubic root of 14205218 is about 242.1861486959.

Adding to 14205218 its reverse (81250241), we get a palindrome (95455459).

The spelling of 14205218 in words is "fourteen million, two hundred five thousand, two hundred eighteen".