422813511 has 12 divisors (see below), whose sum is σ = 646656192. Its totient is φ = 265294656.

The previous prime is 422813497. The next prime is 422813513. The reversal of 422813511 is 115318224.

It is not a de Polignac number, because 422813511 - 2¹⁰ = 422812487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422813513) 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 in 11 ways as a sum of consecutive naturals, for example, 1381591 + ... + 1381896.

It is an arithmetic number, because the mean of its divisors is an integer number (53888016).

Almost surely, 2^422813511 is an apocalyptic number.

422813511 is a deficient number, since it is larger than the sum of its proper divisors (223842681).

422813511 is a wasteful number, since it uses less digits than its factorization.

422813511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763510 (or 2763507 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 422813511 is about 20562.4295986637. The cubic root of 422813511 is about 750.5557427649. Note that the first 3 decimals are identical.

It can be divided in two parts, 422813 and 511, that added together give a palindrome (423324).

The spelling of 422813511 in words is "four hundred twenty-two million, eight hundred thirteen thousand, five hundred eleven".