14470221 has 4 divisors (see below), whose sum is σ = 19293632. Its totient is φ = 9646812.

The previous prime is 14470207. The next prime is 14470249. The reversal of 14470221 is 12207441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 14470221 - 2⁵ = 14470189 is a prime.

It is a super-3 number, since 3×14470221³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14470271) 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 in 3 ways as a sum of consecutive naturals, for example, 2411701 + ... + 2411706.

It is an arithmetic number, because the mean of its divisors is an integer number (4823408).

Almost surely, 2^14470221 is an apocalyptic number.

It is an amenable number.

14470221 is a deficient number, since it is larger than the sum of its proper divisors (4823411).

14470221 is an equidigital number, since it uses as much as digits as its factorization.

14470221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823410.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 14470221 is about 3803.9743689988. The cubic root of 14470221 is about 243.6829001365.

Adding to 14470221 its reverse (12207441), we get a palindrome (26677662).

The spelling of 14470221 in words is "fourteen million, four hundred seventy thousand, two hundred twenty-one".