14894221 has 2 divisors, whose sum is σ = 14894222. Its totient is φ = 14894220.

The previous prime is 14894213. The next prime is 14894237. The reversal of 14894221 is 12249841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8916196 + 5978025 = 2986^2 + 2445^2 .

It is a cyclic number.

It is not a de Polignac number, because 14894221 - 2³ = 14894213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14894021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7447110 + 7447111.

It is an arithmetic number, because the mean of its divisors is an integer number (7447111).

Almost surely, 2^14894221 is an apocalyptic number.

It is an amenable number.

14894221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14894221 is an equidigital number, since it uses as much as digits as its factorization.

14894221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 31.

The square root of 14894221 is about 3859.3031754450. The cubic root of 14894221 is about 246.0401205852.

The spelling of 14894221 in words is "fourteen million, eight hundred ninety-four thousand, two hundred twenty-one".