422102425 has 12 divisors (see below), whose sum is σ = 530579260. Its totient is φ = 333054720.

The previous prime is 422102419. The next prime is 422102431. The reversal of 422102425 is 524201224.

It is an interprime number because it is at equal distance from previous prime (422102419) and next prime (422102431).

It can be written as a sum of positive squares in 6 ways, for example, as 37785609 + 384316816 = 6147^2 + 19604^2 .

It is not a de Polignac number, because 422102425 - 2¹¹ = 422100377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422102396 and 422102405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113820 + ... + 117469.

Almost surely, 2^422102425 is an apocalyptic number.

It is an amenable number.

422102425 is a deficient number, since it is larger than the sum of its proper divisors (108476835).

422102425 is a wasteful number, since it uses less digits than its factorization.

422102425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231372 (or 231367 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 422102425 is about 20545.1314184164. The cubic root of 422102425 is about 750.1347461602.

Adding to 422102425 its reverse (524201224), we get a palindrome (946303649).

The spelling of 422102425 in words is "four hundred twenty-two million, one hundred two thousand, four hundred twenty-five".