14220407 has 8 divisors (see below), whose sum is σ = 14432256. Its totient is φ = 14010232.

The previous prime is 14220403. The next prime is 14220419. The reversal of 14220407 is 70402241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14220407 - 2² = 14220403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14220403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36938 + ... + 37320.

It is an arithmetic number, because the mean of its divisors is an integer number (1804032).

Almost surely, 2^14220407 is an apocalyptic number.

14220407 is a deficient number, since it is larger than the sum of its proper divisors (211849).

14220407 is a wasteful number, since it uses less digits than its factorization.

14220407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 14220407 is about 3770.9954919093. The cubic root of 14220407 is about 242.2724375296.

Adding to 14220407 its reverse (70402241), we get a palindrome (84622648).

The spelling of 14220407 in words is "fourteen million, two hundred twenty thousand, four hundred seven".