384111229 has 2 divisors, whose sum is σ = 384111230. Its totient is φ = 384111228.

The previous prime is 384111187. The next prime is 384111241. The reversal of 384111229 is 922111483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243048100 + 141063129 = 15590^2 + 11877^2 .

It is an emirp because it is prime and its reverse (922111483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 384111229 - 2¹¹ = 384109181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 384111229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384111029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192055614 + 192055615.

It is an arithmetic number, because the mean of its divisors is an integer number (192055615).

Almost surely, 2^384111229 is an apocalyptic number.

It is an amenable number.

384111229 is a deficient number, since it is larger than the sum of its proper divisors (1).

384111229 is an equidigital number, since it uses as much as digits as its factorization.

384111229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 31.

The square root of 384111229 is about 19598.7558023462. The cubic root of 384111229 is about 726.9184097004.

The spelling of 384111229 in words is "three hundred eighty-four million, one hundred eleven thousand, two hundred twenty-nine".