19000229 has 2 divisors, whose sum is σ = 19000230. Its totient is φ = 19000228.

The previous prime is 19000213. The next prime is 19000243. The reversal of 19000229 is 92200091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10432900 + 8567329 = 3230^2 + 2927^2 .

It is an emirp because it is prime and its reverse (92200091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19000229 - 2⁴ = 19000213 is a prime.

It is a super-2 number, since 2×19000229² = 722017404104882, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19000259) 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, 9500114 + 9500115.

It is an arithmetic number, because the mean of its divisors is an integer number (9500115).

Almost surely, 2^19000229 is an apocalyptic number.

It is an amenable number.

19000229 is a deficient number, since it is larger than the sum of its proper divisors (1).

19000229 is an equidigital number, since it uses as much as digits as its factorization.

19000229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 19000229 is about 4358.9252115631. The cubic root of 19000229 is about 266.8412369100.

The spelling of 19000229 in words is "nineteen million, two hundred twenty-nine", and thus it is an aban number.