14220919 has 2 divisors, whose sum is σ = 14220920. Its totient is φ = 14220918.

The previous prime is 14220889. The next prime is 14220929. The reversal of 14220919 is 91902241.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (91902241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14220919 - 2¹³ = 14212727 is a prime.

It is a super-2 number, since 2×14220919² = 404469074409122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14220929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7110459 + 7110460.

It is an arithmetic number, because the mean of its divisors is an integer number (7110460).

Almost surely, 2^14220919 is an apocalyptic number.

14220919 is a deficient number, since it is larger than the sum of its proper divisors (1).

14220919 is an equidigital number, since it uses as much as digits as its factorization.

14220919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 14220919 is about 3771.0633778816. The cubic root of 14220919 is about 242.2753451351.

The spelling of 14220919 in words is "fourteen million, two hundred twenty thousand, nine hundred nineteen".