425442225 has 48 divisors (see below), whose sum is σ = 762437312. Its totient is φ = 208085760.

The previous prime is 425442203. The next prime is 425442341. The reversal of 425442225 is 522244524.

It is not a de Polignac number, because 425442225 - 2⁹ = 425441713 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 425442192 and 425442201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157587 + ... + 160263.

Almost surely, 2^425442225 is an apocalyptic number.

It is an amenable number.

425442225 is a deficient number, since it is larger than the sum of its proper divisors (336995087).

425442225 is a wasteful number, since it uses less digits than its factorization.

425442225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866 (or 2861 counting only the distinct ones).

The product of its digits is 25600, while the sum is 30.

The square root of 425442225 is about 20626.2508711593. The cubic root of 425442225 is about 752.1079807830.

Adding to 425442225 its reverse (522244524), we get a palindrome (947686749).

The spelling of 425442225 in words is "four hundred twenty-five million, four hundred forty-two thousand, two hundred twenty-five".