422471 has 4 divisors (see below), whose sum is σ = 482832. Its totient is φ = 362112.

The previous prime is 422459. The next prime is 422479. The reversal of 422471 is 174224.

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

It is a cyclic number.

It is not a de Polignac number, because 422471 - 2⁶ = 422407 is a prime.

It is a super-3 number, since 3×422471³ = 226210084941579333, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422479) 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, 30170 + ... + 30183.

It is an arithmetic number, because the mean of its divisors is an integer number (120708).

2⁴²²⁴⁷¹ is an apocalyptic number.

422471 is a deficient number, since it is larger than the sum of its proper divisors (60361).

422471 is an equidigital number, since it uses as much as digits as its factorization.

422471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60360.

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

The square root of 422471 is about 649.9776919249. The cubic root of 422471 is about 75.0353018996.

Adding to 422471 its reverse (174224), we get a palindrome (596695).

The spelling of 422471 in words is "four hundred twenty-two thousand, four hundred seventy-one", and thus it is an iban number.