4005220425 has 48 divisors (see below), whose sum is σ = 6997647360. Its totient is φ = 2015807040.

The previous prime is 4005220397. The next prime is 4005220507. The reversal of 4005220425 is 5240225004.

It is a happy number.

It is not a de Polignac number, because 4005220425 - 2¹⁴ = 4005204041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4005220395 and 4005220404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 369432 + ... + 380118.

It is an arithmetic number, because the mean of its divisors is an integer number (145784320).

Almost surely, 2^4005220425 is an apocalyptic number.

It is an amenable number.

4005220425 is a deficient number, since it is larger than the sum of its proper divisors (2992426935).

4005220425 is a wasteful number, since it uses less digits than its factorization.

4005220425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10982 (or 10977 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 4005220425 is about 63286.8108297456. The cubic root of 4005220425 is about 1588.0913274390.

Adding to 4005220425 its reverse (5240225004), we get a palindrome (9245445429).

The spelling of 4005220425 in words is "four billion, five million, two hundred twenty thousand, four hundred twenty-five".