4220508 has 48 divisors (see below), whose sum is σ = 10523520. Its totient is φ = 1312704.

The previous prime is 4220497. The next prime is 4220509. The reversal of 4220508 is 8050224.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 24310 + ... + 24482.

It is an arithmetic number, because the mean of its divisors is an integer number (219240).

Almost surely, 2^4220508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4220508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5261760).

4220508 is an abundant number, since it is smaller than the sum of its proper divisors (6303012).

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

4220508 is a wasteful number, since it uses less digits than its factorization.

4220508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 4220508 is about 2054.3874999620. The cubic root of 4220508 is about 161.6050430573.

The spelling of 4220508 in words is "four million, two hundred twenty thousand, five hundred eight".