14700221 has 2 divisors, whose sum is σ = 14700222. Its totient is φ = 14700220.

The previous prime is 14700163. The next prime is 14700299. The reversal of 14700221 is 12200741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8916196 + 5784025 = 2986^2 + 2405^2 .

It is a cyclic number.

It is not a de Polignac number, because 14700221 - 2¹⁸ = 14438077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14700221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14700421) 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, 7350110 + 7350111.

It is an arithmetic number, because the mean of its divisors is an integer number (7350111).

Almost surely, 2^14700221 is an apocalyptic number.

It is an amenable number.

14700221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14700221 is an equidigital number, since it uses as much as digits as its factorization.

14700221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 14700221 is about 3834.0867230672. The cubic root of 14700221 is about 244.9672092725.

Adding to 14700221 its reverse (12200741), we get a palindrome (26900962).

The spelling of 14700221 in words is "fourteen million, seven hundred thousand, two hundred twenty-one".