4022542 has 8 divisors (see below), whose sum is σ = 6162336. Its totient is φ = 1968432.

The previous prime is 4022507. The next prime is 4022549. The reversal of 4022542 is 2452204.

4022542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022549) 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, 21303 + ... + 21490.

It is an arithmetic number, because the mean of its divisors is an integer number (770292).

Almost surely, 2^4022542 is an apocalyptic number.

4022542 is a deficient number, since it is larger than the sum of its proper divisors (2139794).

4022542 is a wasteful number, since it uses less digits than its factorization.

4022542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42842.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 4022542 is about 2005.6275825786. The cubic root of 4022542 is about 159.0377400755.

Adding to 4022542 its reverse (2452204), we get a palindrome (6474746).

The spelling of 4022542 in words is "four million, twenty-two thousand, five hundred forty-two".