422134405 has 32 divisors (see below), whose sum is σ = 640493568. Its totient is φ = 259425600.

The previous prime is 422134357. The next prime is 422134423. The reversal of 422134405 is 504431224.

It is a happy number.

It is not a de Polignac number, because 422134405 - 2⁷ = 422134277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422134405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19614 + ... + 35056.

It is an arithmetic number, because the mean of its divisors is an integer number (20015424).

Almost surely, 2^422134405 is an apocalyptic number.

It is an amenable number.

422134405 is a deficient number, since it is larger than the sum of its proper divisors (218359163).

422134405 is a wasteful number, since it uses less digits than its factorization.

422134405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15537.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 422134405 is about 20545.9096902522. The cubic root of 422134405 is about 750.1536899852.

Adding to 422134405 its reverse (504431224), we get a palindrome (926565629).

The spelling of 422134405 in words is "four hundred twenty-two million, one hundred thirty-four thousand, four hundred five".