422043 has 4 divisors (see below), whose sum is σ = 562728. Its totient is φ = 281360.

The previous prime is 422041. The next prime is 422057. The reversal of 422043 is 340224.

It is a happy number.

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 422043 - 2¹ = 422041 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (422041) 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, 70338 + ... + 70343.

It is an arithmetic number, because the mean of its divisors is an integer number (140682).

2⁴²²⁰⁴³ is an apocalyptic number.

422043 is a deficient number, since it is larger than the sum of its proper divisors (140685).

422043 is a wasteful number, since it uses less digits than its factorization.

422043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140684.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 422043 is about 649.6483664260. The cubic root of 422043 is about 75.0099542343.

Adding to 422043 its reverse (340224), we get a palindrome (762267).

The spelling of 422043 in words is "four hundred twenty-two thousand, forty-three", and thus it is an iban number.