422768471 has 2 divisors, whose sum is σ = 422768472. Its totient is φ = 422768470.

The previous prime is 422768443. The next prime is 422768503. The reversal of 422768471 is 174867224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422768471 - 2⁶ = 422768407 is a prime.

It is a super-3 number, since 3×422768471³ (a number of 27 digits) contains 333 as substring.

It is a Sophie Germain 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 (422798471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211384235 + 211384236.

It is an arithmetic number, because the mean of its divisors is an integer number (211384236).

Almost surely, 2^422768471 is an apocalyptic number.

422768471 is a deficient number, since it is larger than the sum of its proper divisors (1).

422768471 is an equidigital number, since it uses as much as digits as its factorization.

422768471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 41.

The square root of 422768471 is about 20561.3343681776. The cubic root of 422768471 is about 750.5290909589.

The spelling of 422768471 in words is "four hundred twenty-two million, seven hundred sixty-eight thousand, four hundred seventy-one".