14220424 has 8 divisors (see below), whose sum is σ = 26663310. Its totient is φ = 7110208.

The previous prime is 14220419. The next prime is 14220431. The reversal of 14220424 is 42402241.

14220424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13823524 + 396900 = 3718^2 + 630^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 888769 + ... + 888784.

Almost surely, 2^14220424 is an apocalyptic number.

It is an amenable number.

14220424 is a deficient number, since it is larger than the sum of its proper divisors (12442886).

14220424 is a wasteful number, since it uses less digits than its factorization.

14220424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777559 (or 1777555 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 14220424 is about 3770.9977459553. The cubic root of 14220424 is about 242.2725340723.

Adding to 14220424 its reverse (42402241), we get a palindrome (56622665).

The spelling of 14220424 in words is "fourteen million, two hundred twenty thousand, four hundred twenty-four".