9144427 has 2 divisors, whose sum is σ = 9144428. Its totient is φ = 9144426.

The previous prime is 9144413. The next prime is 9144431. The reversal of 9144427 is 7244419.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9144427 is a prime.

It is not a weakly prime, because it can be changed into another prime (9144437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4572213 + 4572214.

It is an arithmetic number, because the mean of its divisors is an integer number (4572214).

Almost surely, 2^9144427 is an apocalyptic number.

9144427 is a deficient number, since it is larger than the sum of its proper divisors (1).

9144427 is an equidigital number, since it uses as much as digits as its factorization.

9144427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 9144427 is about 3023.9753636563. The cubic root of 9144427 is about 209.1151506350.

The spelling of 9144427 in words is "nine million, one hundred forty-four thousand, four hundred twenty-seven".