422430432 has 24 divisors (see below), whose sum is σ = 1108880136. Its totient is φ = 140810112.

The previous prime is 422430431. The next prime is 422430451. The reversal of 422430432 is 234034224.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422430431) 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, 2200063 + ... + 2200254.

It is an arithmetic number, because the mean of its divisors is an integer number (46203339).

Almost surely, 2^422430432 is an apocalyptic number.

It is an amenable number.

422430432 is an abundant number, since it is smaller than the sum of its proper divisors (686449704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422430432 is a wasteful number, since it uses less digits than its factorization.

422430432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400330 (or 4400322 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 422430432 is about 20553.1124650258. The cubic root of 422430432 is about 750.3290005460.

Adding to 422430432 its reverse (234034224), we get a palindrome (656464656).

The spelling of 422430432 in words is "four hundred twenty-two million, four hundred thirty thousand, four hundred thirty-two".