422268757 has 2 divisors, whose sum is σ = 422268758. Its totient is φ = 422268756.

The previous prime is 422268713. The next prime is 422268761. The reversal of 422268757 is 757862224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285238321 + 137030436 = 16889^2 + 11706^2 .

It is a cyclic number.

It is not a de Polignac number, because 422268757 - 2⁷ = 422268629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422208757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211134378 + 211134379.

It is an arithmetic number, because the mean of its divisors is an integer number (211134379).

Almost surely, 2^422268757 is an apocalyptic number.

It is an amenable number.

422268757 is a deficient number, since it is larger than the sum of its proper divisors (1).

422268757 is an equidigital number, since it uses as much as digits as its factorization.

422268757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 376320, while the sum is 43.

The square root of 422268757 is about 20549.1789860325. The cubic root of 422268757 is about 750.2332649239.

The spelling of 422268757 in words is "four hundred twenty-two million, two hundred sixty-eight thousand, seven hundred fifty-seven".