422600425 has 12 divisors (see below), whose sum is σ = 564334540. Its totient is φ = 312073920.

The previous prime is 422600419. The next prime is 422600447. The reversal of 422600425 is 524006224.

It can be written as a sum of positive squares in 6 ways, for example, as 2637376 + 419963049 = 1624^2 + 20493^2 .

It is not a de Polignac number, because 422600425 - 2⁹ = 422599913 is a prime.

It is a super-2 number, since 2×422600425² = 357182238420361250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 422600425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 649830 + ... + 650479.

Almost surely, 2^422600425 is an apocalyptic number.

It is an amenable number.

422600425 is a deficient number, since it is larger than the sum of its proper divisors (141734115).

422600425 is a wasteful number, since it uses less digits than its factorization.

422600425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300332 (or 1300327 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 422600425 is about 20557.2475054420. The cubic root of 422600425 is about 750.4296353191.

Adding to 422600425 its reverse (524006224), we get a palindrome (946606649).

The spelling of 422600425 in words is "four hundred twenty-two million, six hundred thousand, four hundred twenty-five".