4022043 has 4 divisors (see below), whose sum is σ = 5362728. Its totient is φ = 2681360.

The previous prime is 4022041. The next prime is 4022063. The reversal of 4022043 is 3402204.

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 4022043 - 2¹ = 4022041 is a prime.

It is an Ulam number.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4022041) 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, 670338 + ... + 670343.

It is an arithmetic number, because the mean of its divisors is an integer number (1340682).

Almost surely, 2^4022043 is an apocalyptic number.

4022043 is a deficient number, since it is larger than the sum of its proper divisors (1340685).

4022043 is a wasteful number, since it uses less digits than its factorization.

4022043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340684.

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

The square root of 4022043 is about 2005.5031787559. The cubic root of 4022043 is about 159.0311635447.

Adding to 4022043 its reverse (3402204), we get a palindrome (7424247).

The spelling of 4022043 in words is "four million, twenty-two thousand, forty-three".