422100001225 has 12 divisors (see below), whose sum is σ = 598176001984. Its totient is φ = 289440000720.

The previous prime is 422100001223. The next prime is 422100001261. The reversal of 422100001225 is 522100001224.

It is not a de Polignac number, because 422100001225 - 2¹ = 422100001223 is a prime.

It is a super-2 number, since 2×422100001225² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422100001223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1205999829 + ... + 1206000178.

Almost surely, 2^422100001225 is an apocalyptic number.

It is an amenable number.

422100001225 is a deficient number, since it is larger than the sum of its proper divisors (176076000759).

422100001225 is a wasteful number, since it uses less digits than its factorization.

422100001225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412000024 (or 2412000019 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 422100001225 its reverse (522100001224), we get a palindrome (944200002449).

Subtracting 422100001225 from its reverse (522100001224), we obtain a palindrome (99999999999).

The spelling of 422100001225 in words is "four hundred twenty-two billion, one hundred million, one thousand, two hundred twenty-five".