14996221 has 2 divisors, whose sum is σ = 14996222. Its totient is φ = 14996220.

The previous prime is 14996213. The next prime is 14996237. The reversal of 14996221 is 12269941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14976900 + 19321 = 3870^2 + 139^2 .

It is an emirp because it is prime and its reverse (12269941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14996221 - 2³ = 14996213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14996251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7498110 + 7498111.

It is an arithmetic number, because the mean of its divisors is an integer number (7498111).

Almost surely, 2^14996221 is an apocalyptic number.

It is an amenable number.

14996221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14996221 is an equidigital number, since it uses as much as digits as its factorization.

14996221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 34.

The square root of 14996221 is about 3872.4954486739. The cubic root of 14996221 is about 246.6004949926.

The spelling of 14996221 in words is "fourteen million, nine hundred ninety-six thousand, two hundred twenty-one".