471221 has 4 divisors (see below), whose sum is σ = 487500. Its totient is φ = 454944.

The previous prime is 471217. The next prime is 471241. The reversal of 471221 is 122174.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 264196 + 207025 = 514^2 + 455^2 .

It is a cyclic number.

It is not a de Polignac number, because 471221 - 2² = 471217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 471221.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 471221.

It is not an unprimeable number, because it can be changed into a prime (471241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8096 + ... + 8153.

It is an arithmetic number, because the mean of its divisors is an integer number (121875).

2⁴⁷¹²²¹ is an apocalyptic number.

It is an amenable number.

471221 is a deficient number, since it is larger than the sum of its proper divisors (16279).

471221 is a wasteful number, since it uses less digits than its factorization.

471221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16278.

The product of its digits is 112, while the sum is 17.

The square root of 471221 is about 686.4553882081. The cubic root of 471221 is about 77.8170707734.

Adding to 471221 its reverse (122174), we get a palindrome (593395).

The spelling of 471221 in words is "four hundred seventy-one thousand, two hundred twenty-one", and thus it is an iban number.