422115134242 has 4 divisors (see below), whose sum is σ = 633172701366. Its totient is φ = 211057567120.

The previous prime is 422115134237. The next prime is 422115134293. The reversal of 422115134242 is 242431511224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 412781835361 + 9333298881 = 642481^2 + 96609^2 .

It is a super-2 number, since 2×422115134242² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105528783559 + ... + 105528783562.

Almost surely, 2^422115134242 is an apocalyptic number.

422115134242 is a deficient number, since it is larger than the sum of its proper divisors (211057567124).

422115134242 is a wasteful number, since it uses less digits than its factorization.

422115134242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211057567123.

The product of its digits is 15360, while the sum is 31.

Adding to 422115134242 its reverse (242431511224), we get a palindrome (664546645466).

The spelling of 422115134242 in words is "four hundred twenty-two billion, one hundred fifteen million, one hundred thirty-four thousand, two hundred forty-two".