4220506 has 16 divisors (see below), whose sum is σ = 6583680. Its totient is φ = 2027680.

The previous prime is 4220497. The next prime is 4220509. The reversal of 4220506 is 6050224.

It is not an unprimeable number, because it can be changed into a prime (4220509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5166 + ... + 5926.

It is an arithmetic number, because the mean of its divisors is an integer number (411480).

Almost surely, 2^4220506 is an apocalyptic number.

4220506 is a deficient number, since it is larger than the sum of its proper divisors (2363174).

4220506 is a wasteful number, since it uses less digits than its factorization.

4220506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 4220506 is about 2054.3870131988. The cubic root of 4220506 is about 161.6050175304.

The spelling of 4220506 in words is "four million, two hundred twenty thousand, five hundred six".