4220008 has 16 divisors (see below), whose sum is σ = 8521380. Its totient is φ = 1947648.

The previous prime is 4219991. The next prime is 4220039. The reversal of 4220008 is 8000224.

It can be written as a sum of positive squares in 2 ways, for example, as 4153444 + 66564 = 2038^2 + 258^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4219973 and 4220000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20185 + ... + 20392.

Almost surely, 2^4220008 is an apocalyptic number.

It is an amenable number.

4220008 is an abundant number, since it is smaller than the sum of its proper divisors (4301372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4220008 is a wasteful number, since it uses less digits than its factorization.

4220008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40596 (or 40592 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 4220008 is about 2054.2658055860. The cubic root of 4220008 is about 161.5986610679.

The spelling of 4220008 in words is "four million, two hundred twenty thousand, eight".