144222319 has 2 divisors, whose sum is σ = 144222320. Its totient is φ = 144222318.

The previous prime is 144222317. The next prime is 144222329. The reversal of 144222319 is 913222441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144222319 - 2¹ = 144222317 is a prime.

It is a super-2 number, since 2×144222319² = 41600154595475522, which contains 22 as substring.

Together with 144222317, it forms a pair of twin primes.

It is equal to p_8137306 and since 144222319 and 8137306 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144222311) 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, 72111159 + 72111160.

It is an arithmetic number, because the mean of its divisors is an integer number (72111160).

Almost surely, 2^144222319 is an apocalyptic number.

144222319 is a deficient number, since it is larger than the sum of its proper divisors (1).

144222319 is an equidigital number, since it uses as much as digits as its factorization.

144222319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 144222319 is about 12009.2597190668. The cubic root of 144222319 is about 524.4178811659.

The spelling of 144222319 in words is "one hundred forty-four million, two hundred twenty-two thousand, three hundred nineteen".