422212425 has 24 divisors (see below), whose sum is σ = 739122336. Its totient is φ = 211933440.

The previous prime is 422212411. The next prime is 422212457. The reversal of 422212425 is 524212224.

It is not a de Polignac number, because 422212425 - 2¹⁰ = 422211401 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 422212395 and 422212404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164299 + ... + 166848.

It is an arithmetic number, because the mean of its divisors is an integer number (30796764).

Almost surely, 2^422212425 is an apocalyptic number.

It is an amenable number.

422212425 is a deficient number, since it is larger than the sum of its proper divisors (316909911).

422212425 is a wasteful number, since it uses less digits than its factorization.

422212425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331177 (or 331172 counting only the distinct ones).

The product of its digits is 2560, while the sum is 24.

The square root of 422212425 is about 20547.8082772835. The cubic root of 422212425 is about 750.1999022696.

Adding to 422212425 its reverse (524212224), we get a palindrome (946424649).

The spelling of 422212425 in words is "four hundred twenty-two million, two hundred twelve thousand, four hundred twenty-five".