14218444 has 6 divisors (see below), whose sum is σ = 24882284. Its totient is φ = 7109220.

The previous prime is 14218417. The next prime is 14218447. The reversal of 14218444 is 44481241.

It is a super-2 number, since 2×14218444² = 404328299562272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14218447) by changing a digit.

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 as a sum of consecutive naturals, namely, 1777302 + ... + 1777309.

Almost surely, 2^14218444 is an apocalyptic number.

It is an amenable number.

14218444 is a deficient number, since it is larger than the sum of its proper divisors (10663840).

14218444 is a wasteful number, since it uses less digits than its factorization.

14218444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554615 (or 3554613 counting only the distinct ones).

The product of its digits is 4096, while the sum is 28.

The square root of 14218444 is about 3770.7352068264. The cubic root of 14218444 is about 242.2612891689.

Adding to 14218444 its reverse (44481241), we get a palindrome (58699685).

The spelling of 14218444 in words is "fourteen million, two hundred eighteen thousand, four hundred forty-four".