144222193 has 2 divisors, whose sum is σ = 144222194. Its totient is φ = 144222192.

The previous prime is 144222187. The next prime is 144222251. The reversal of 144222193 is 391222441.

144222193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137077264 + 7144929 = 11708^2 + 2673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144222193 is a prime.

It is not a weakly prime, because it can be changed into another prime (144222173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72111096 + 72111097.

It is an arithmetic number, because the mean of its divisors is an integer number (72111097).

Almost surely, 2^144222193 is an apocalyptic number.

It is an amenable number.

144222193 is a deficient number, since it is larger than the sum of its proper divisors (1).

144222193 is an equidigital number, since it uses as much as digits as its factorization.

144222193 is an evil number, because the sum of its binary digits is even.

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

The square root of 144222193 is about 12009.2544731136. The cubic root of 144222193 is about 524.4177284464.

The spelling of 144222193 in words is "one hundred forty-four million, two hundred twenty-two thousand, one hundred ninety-three".