4220471 has 8 divisors (see below), whose sum is σ = 4487040. Its totient is φ = 3955968.

The previous prime is 4220449. The next prime is 4220473. The reversal of 4220471 is 1740224.

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

It is not a de Polignac number, because 4220471 - 2¹⁰ = 4219447 is a prime.

It is a super-3 number, since 3×4220471³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220473) 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, 6650 + ... + 7256.

It is an arithmetic number, because the mean of its divisors is an integer number (560880).

Almost surely, 2^4220471 is an apocalyptic number.

4220471 is a deficient number, since it is larger than the sum of its proper divisors (266569).

4220471 is a wasteful number, since it uses less digits than its factorization.

4220471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 4220471 is about 2054.3784948251. The cubic root of 4220471 is about 161.6045708074.

Adding to 4220471 its reverse (1740224), we get a palindrome (5960695).

The spelling of 4220471 in words is "four million, two hundred twenty thousand, four hundred seventy-one".