75244229 has 2 divisors, whose sum is σ = 75244230. Its totient is φ = 75244228.

The previous prime is 75244207. The next prime is 75244289. The reversal of 75244229 is 92244257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63840100 + 11404129 = 7990^2 + 3377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75244229 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75244289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37622114 + 37622115.

It is an arithmetic number, because the mean of its divisors is an integer number (37622115).

Almost surely, 2^75244229 is an apocalyptic number.

It is an amenable number.

75244229 is a deficient number, since it is larger than the sum of its proper divisors (1).

75244229 is an equidigital number, since it uses as much as digits as its factorization.

75244229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 35.

The square root of 75244229 is about 8674.3431451609. The cubic root of 75244229 is about 422.1735938173.

The spelling of 75244229 in words is "seventy-five million, two hundred forty-four thousand, two hundred twenty-nine".