14223997 has 2 divisors, whose sum is σ = 14223998. Its totient is φ = 14223996.

The previous prime is 14223971. The next prime is 14224037. The reversal of 14223997 is 79932241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10797796 + 3426201 = 3286^2 + 1851^2 .

It is an emirp because it is prime and its reverse (79932241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14223997 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 (14223967) 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, 7111998 + 7111999.

It is an arithmetic number, because the mean of its divisors is an integer number (7111999).

Almost surely, 2^14223997 is an apocalyptic number.

It is an amenable number.

14223997 is a deficient number, since it is larger than the sum of its proper divisors (1).

14223997 is an equidigital number, since it uses as much as digits as its factorization.

14223997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 14223997 is about 3771.4714635007. The cubic root of 14223997 is about 242.2928233707.

The spelling of 14223997 in words is "fourteen million, two hundred twenty-three thousand, nine hundred ninety-seven".