4220871 has 8 divisors (see below), whose sum is σ = 5637744. Its totient is φ = 2808960.

The previous prime is 4220861. The next prime is 4220873. The reversal of 4220871 is 1780224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4220871 - 2¹⁰ = 4219847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1845 + ... + 3441.

It is an arithmetic number, because the mean of its divisors is an integer number (704718).

Almost surely, 2^4220871 is an apocalyptic number.

4220871 is a deficient number, since it is larger than the sum of its proper divisors (1416873).

4220871 is a wasteful number, since it uses less digits than its factorization.

4220871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 4220871 is about 2054.4758455626. The cubic root of 4220871 is about 161.6096760659.

The spelling of 4220871 in words is "four million, two hundred twenty thousand, eight hundred seventy-one".