422424234 has 20 divisors (see below), whose sum is σ = 946543554. Its totient is φ = 140808024.

The previous prime is 422424199. The next prime is 422424241. The reversal of 422424234 is 432424224.

422424234 is a `hidden beast` number, since 4 + 2 + 2 + 424 + 234 = 666.

It can be written as a sum of positive squares in only one way, i.e., 422179209 + 245025 = 20547^2 + 495^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 422424198 and 422424207.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1303617 + ... + 1303940.

Almost surely, 2^422424234 is an apocalyptic number.

422424234 is an abundant number, since it is smaller than the sum of its proper divisors (524119320).

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

422424234 is a wasteful number, since it uses less digits than its factorization.

422424234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607571 (or 2607562 counting only the distinct ones).

The product of its digits is 12288, while the sum is 27.

The square root of 422424234 is about 20552.9616843899. The cubic root of 422424234 is about 750.3253308594.

Adding to 422424234 its reverse (432424224), we get a palindrome (854848458).

The spelling of 422424234 in words is "four hundred twenty-two million, four hundred twenty-four thousand, two hundred thirty-four".