422011 has 4 divisors (see below), whose sum is σ = 423472. Its totient is φ = 420552.

The previous prime is 421997. The next prime is 422029. The reversal of 422011 is 110224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422041) 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 3 ways as a sum of consecutive naturals, for example, 135 + ... + 928.

It is an arithmetic number, because the mean of its divisors is an integer number (105868).

2⁴²²⁰¹¹ is an apocalyptic number.

422011 is a deficient number, since it is larger than the sum of its proper divisors (1461).

422011 is a wasteful number, since it uses less digits than its factorization.

422011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 422011 is about 649.6237372510. The cubic root of 422011 is about 75.0080583934.

Adding to 422011 its reverse (110224), we get a palindrome (532235).

The spelling of 422011 in words is "four hundred twenty-two thousand, eleven", and thus it is an iban number.