422801011 has 2 divisors, whose sum is σ = 422801012. Its totient is φ = 422801010.

The previous prime is 422801003. The next prime is 422801077. The reversal of 422801011 is 110108224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422801011 - 2³ = 422801003 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422801011.

It is not a weakly prime, because it can be changed into another prime (422801711) 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, 211400505 + 211400506.

It is an arithmetic number, because the mean of its divisors is an integer number (211400506).

Almost surely, 2^422801011 is an apocalyptic number.

422801011 is a deficient number, since it is larger than the sum of its proper divisors (1).

422801011 is an equidigital number, since it uses as much as digits as its factorization.

422801011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 422801011 is about 20562.1256440087. The cubic root of 422801011 is about 750.5483462501.

Adding to 422801011 its reverse (110108224), we get a palindrome (532909235).

The spelling of 422801011 in words is "four hundred twenty-two million, eight hundred one thousand, eleven".