422434565434225 has 12 divisors (see below), whose sum is σ = 523861528201564. Its totient is φ = 337920125209920.

The previous prime is 422434565434183. The next prime is 422434565434229. The reversal of 422434565434225 is 522434565434224.

It can be written as a sum of positive squares in 6 ways, for example, as 196966292043024 + 225468273391201 = 14034468^2 + 15015601^2 .

It is a de Polignac number, because none of the positive numbers 2^k-422434565434225 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422434565434229) 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, 687865374 + ... + 688479223.

Almost surely, 2^{422434565434225} is an apocalyptic number.

It is an amenable number.

422434565434225 is a deficient number, since it is larger than the sum of its proper divisors (101426962767339).

422434565434225 is a wasteful number, since it uses less digits than its factorization.

422434565434225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376356884 (or 1376356879 counting only the distinct ones).

The product of its digits is 110592000, while the sum is 55.

Subtracting 422434565434225 from its reverse (522434565434224), we obtain a palindrome (99999999999999).

The spelling of 422434565434225 in words is "four hundred twenty-two trillion, four hundred thirty-four billion, five hundred sixty-five million, four hundred thirty-four thousand, two hundred twenty-five".