422254345225 has 24 divisors (see below), whose sum is σ = 547321040640. Its totient is φ = 322548251520.

The previous prime is 422254345223. The next prime is 422254345243. The reversal of 422254345225 is 522543452224.

It is not a de Polignac number, because 422254345225 - 2¹ = 422254345223 is a prime.

It is a super-2 number, since 2×422254345225² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422254345223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 318129 + ... + 972478.

It is an arithmetic number, because the mean of its divisors is an integer number (22805043360).

Almost surely, 2^422254345225 is an apocalyptic number.

It is an amenable number.

422254345225 is a deficient number, since it is larger than the sum of its proper divisors (125066695415).

422254345225 is a wasteful number, since it uses less digits than its factorization.

422254345225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291209 (or 1291204 counting only the distinct ones).

The product of its digits is 768000, while the sum is 40.

Adding to 422254345225 its reverse (522543452224), we get a palindrome (944797797449).

The spelling of 422254345225 in words is "four hundred twenty-two billion, two hundred fifty-four million, three hundred forty-five thousand, two hundred twenty-five".