422771 has 4 divisors (see below), whose sum is σ = 424200. Its totient is φ = 421344.

The previous prime is 422761. The next prime is 422789. The reversal of 422771 is 177224.

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 422771 - 2⁶ = 422707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422701) 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, 86 + ... + 923.

It is an arithmetic number, because the mean of its divisors is an integer number (106050).

2⁴²²⁷⁷¹ is an apocalyptic number.

422771 is a deficient number, since it is larger than the sum of its proper divisors (1429).

422771 is a wasteful number, since it uses less digits than its factorization.

422771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428.

The product of its digits is 784, while the sum is 23.

The square root of 422771 is about 650.2084281213. The cubic root of 422771 is about 75.0530587510.

Adding to 422771 its reverse (177224), we get a palindrome (599995).

The spelling of 422771 in words is "four hundred twenty-two thousand, seven hundred seventy-one", and thus it is an iban number.