422430613 has 4 divisors (see below), whose sum is σ = 460833408. Its totient is φ = 384027820.

The previous prime is 422430611. The next prime is 422430641. The reversal of 422430613 is 316034224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 422430613 - 2¹ = 422430611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422430611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19201381 + ... + 19201402.

It is an arithmetic number, because the mean of its divisors is an integer number (115208352).

Almost surely, 2^422430613 is an apocalyptic number.

It is an amenable number.

422430613 is a deficient number, since it is larger than the sum of its proper divisors (38402795).

422430613 is a wasteful number, since it uses less digits than its factorization.

422430613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38402794.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 422430613 is about 20553.1168682514. The cubic root of 422430613 is about 750.3291077112.

Adding to 422430613 its reverse (316034224), we get a palindrome (738464837).

The spelling of 422430613 in words is "four hundred twenty-two million, four hundred thirty thousand, six hundred thirteen".