422540130532 has 24 divisors (see below), whose sum is σ = 843168316536. Its totient is φ = 183546843648.

The previous prime is 422540130511. The next prime is 422540130533. The reversal of 422540130532 is 235031045224.

It can be written as a sum of positive squares in 4 ways, for example, as 178577237056 + 243962893476 = 422584^2 + 493926^2 .

It is a junction number, because it is equal to n+sod(n) for n = 422540130494 and 422540130503.

It is not an unprimeable number, because it can be changed into a prime (422540130533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238992403 + ... + 238994170.

It is an arithmetic number, because the mean of its divisors is an integer number (35132013189).

Almost surely, 2^422540130532 is an apocalyptic number.

It is an amenable number.

422540130532 is a deficient number, since it is larger than the sum of its proper divisors (420628186004).

422540130532 is a wasteful number, since it uses less digits than its factorization.

422540130532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477986607 (or 477986605 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 422540130532 its reverse (235031045224), we get a palindrome (657571175756).

The spelling of 422540130532 in words is "four hundred twenty-two billion, five hundred forty million, one hundred thirty thousand, five hundred thirty-two".