422753347 has 2 divisors, whose sum is σ = 422753348. Its totient is φ = 422753346.

The previous prime is 422753323. The next prime is 422753369. The reversal of 422753347 is 743357224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422753347 is a prime.

It is not a weakly prime, because it can be changed into another prime (422753447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211376673 + 211376674.

It is an arithmetic number, because the mean of its divisors is an integer number (211376674).

Almost surely, 2^422753347 is an apocalyptic number.

422753347 is a deficient number, since it is larger than the sum of its proper divisors (1).

422753347 is an equidigital number, since it uses as much as digits as its factorization.

422753347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 37.

The square root of 422753347 is about 20560.9665872011. The cubic root of 422753347 is about 750.5201411135.

The spelling of 422753347 in words is "four hundred twenty-two million, seven hundred fifty-three thousand, three hundred forty-seven".