14015982221 has 2 divisors, whose sum is σ = 14015982222. Its totient is φ = 14015982220.

The previous prime is 14015982209. The next prime is 14015982241. The reversal of 14015982221 is 12228951041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11331602500 + 2684379721 = 106450^2 + 51811^2 .

It is an emirp because it is prime and its reverse (12228951041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14015982221 - 2⁶ = 14015982157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14015982241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7007991110 + 7007991111.

It is an arithmetic number, because the mean of its divisors is an integer number (7007991111).

Almost surely, 2^14015982221 is an apocalyptic number.

It is an amenable number.

14015982221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14015982221 is an equidigital number, since it uses as much as digits as its factorization.

14015982221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 14015982221 in words is "fourteen billion, fifteen million, nine hundred eighty-two thousand, two hundred twenty-one".