422752241 has 2 divisors, whose sum is σ = 422752242. Its totient is φ = 422752240.

The previous prime is 422752159. The next prime is 422752279. The reversal of 422752241 is 142257224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285745216 + 137007025 = 16904^2 + 11705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422752241 is a prime.

It is not a weakly prime, because it can be changed into another prime (422752441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211376120 + 211376121.

It is an arithmetic number, because the mean of its divisors is an integer number (211376121).

Almost surely, 2^422752241 is an apocalyptic number.

It is an amenable number.

422752241 is a deficient number, since it is larger than the sum of its proper divisors (1).

422752241 is an equidigital number, since it uses as much as digits as its factorization.

422752241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8960, while the sum is 29.

The square root of 422752241 is about 20560.9396915608. The cubic root of 422752241 is about 750.5194866137.

The spelling of 422752241 in words is "four hundred twenty-two million, seven hundred fifty-two thousand, two hundred forty-one".