9144229 has 2 divisors, whose sum is σ = 9144230. Its totient is φ = 9144228.

The previous prime is 9144221. The next prime is 9144253. The reversal of 9144229 is 9224419.

It is a happy number.

9144229 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., 4941729 + 4202500 = 2223^2 + 2050^2 .

It is a cyclic number.

It is not a de Polignac number, because 9144229 - 2³ = 9144221 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9144229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9144221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4572114 + 4572115.

It is an arithmetic number, because the mean of its divisors is an integer number (4572115).

Almost surely, 2^9144229 is an apocalyptic number.

It is an amenable number.

9144229 is a deficient number, since it is larger than the sum of its proper divisors (1).

9144229 is an equidigital number, since it uses as much as digits as its factorization.

9144229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 9144229 is about 3023.9426251171. The cubic root of 9144229 is about 209.1136413333.

The spelling of 9144229 in words is "nine million, one hundred forty-four thousand, two hundred twenty-nine".