422431434 has 24 divisors (see below), whose sum is σ = 919921860. Its totient is φ = 140094528.

The previous prime is 422431433. The next prime is 422431447. The reversal of 422431434 is 434134224.

It is a happy number.

422431434 is a `hidden beast` number, since 4 + 224 + 3 + 1 + 434 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 422425809 + 5625 = 20553^2 + 75^2 .

It is a junction number, because it is equal to n+sod(n) for n = 422431398 and 422431407.

It is not an unprimeable number, because it can be changed into a prime (422431433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56019 + ... + 63110.

Almost surely, 2^422431434 is an apocalyptic number.

422431434 is an abundant number, since it is smaller than the sum of its proper divisors (497490426).

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

422431434 is a wasteful number, since it uses less digits than its factorization.

422431434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119334 (or 119331 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 422431434 is about 20553.1368408815. The cubic root of 422431434 is about 750.3295938027.

Adding to 422431434 its reverse (434134224), we get a palindrome (856565658).

The spelling of 422431434 in words is "four hundred twenty-two million, four hundred thirty-one thousand, four hundred thirty-four".