422434013 has 4 divisors (see below), whose sum is σ = 422475420. Its totient is φ = 422392608.

The previous prime is 422433989. The next prime is 422434079. The reversal of 422434013 is 310434224.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 160706329 + 261727684 = 12677^2 + 16178^2 .

It is a cyclic number.

It is not a de Polignac number, because 422434013 - 2⁸ = 422433757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 422434013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422434913) 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 3 ways as a sum of consecutive naturals, for example, 6623 + ... + 29811.

It is an arithmetic number, because the mean of its divisors is an integer number (105618855).

Almost surely, 2^422434013 is an apocalyptic number.

It is an amenable number.

422434013 is a deficient number, since it is larger than the sum of its proper divisors (41407).

422434013 is a wasteful number, since it uses less digits than its factorization.

422434013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41406.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 422434013 is about 20553.1995806006. The cubic root of 422434013 is about 750.3311207535.

Adding to 422434013 its reverse (310434224), we get a palindrome (732868237).

The spelling of 422434013 in words is "four hundred twenty-two million, four hundred thirty-four thousand, thirteen".