14010221 has 4 divisors (see below), whose sum is σ = 14035932. Its totient is φ = 13984512.

The previous prime is 14010187. The next prime is 14010223. The reversal of 14010221 is 12201041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4056196 + 9954025 = 2014^2 + 3155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14010221 is a prime.

It is a super-4 number, since 4×14010221⁴ (a number of 30 digits) contains 4444 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 (14010223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12020 + ... + 13133.

It is an arithmetic number, because the mean of its divisors is an integer number (3508983).

Almost surely, 2^14010221 is an apocalyptic number.

It is an amenable number.

14010221 is a deficient number, since it is larger than the sum of its proper divisors (25711).

14010221 is an equidigital number, since it uses as much as digits as its factorization.

14010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25710.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 14010221 is about 3743.0229761518. The cubic root of 14010221 is about 241.0728646833.

Adding to 14010221 its reverse (12201041), we get a palindrome (26211262).

The spelling of 14010221 in words is "fourteen million, ten thousand, two hundred twenty-one".