422385425 has 48 divisors (see below), whose sum is σ = 664243200. Its totient is φ = 258772800.

The previous prime is 422385413. The next prime is 422385437. The reversal of 422385425 is 524583224.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (422385413) and next prime (422385437).

It is not a de Polignac number, because 422385425 - 2⁶ = 422385361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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 47 ways as a sum of consecutive naturals, for example, 111716 + ... + 115434.

It is an arithmetic number, because the mean of its divisors is an integer number (13838400).

Almost surely, 2^422385425 is an apocalyptic number.

It is an amenable number.

422385425 is a deficient number, since it is larger than the sum of its proper divisors (241857775).

422385425 is a wasteful number, since it uses less digits than its factorization.

422385425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806 (or 3801 counting only the distinct ones).

The product of its digits is 76800, while the sum is 35.

The square root of 422385425 is about 20552.0175408644. The cubic root of 422385425 is about 750.3023521686.

The spelling of 422385425 in words is "four hundred twenty-two million, three hundred eighty-five thousand, four hundred twenty-five".