4022541 has 20 divisors (see below), whose sum is σ = 6128892. Its totient is φ = 2628288.

The previous prime is 4022507. The next prime is 4022549. The reversal of 4022541 is 1452204.

4022541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1368900 + 2653641 = 1170^2 + 1629^2 .

It is not a de Polignac number, because 4022541 - 2⁶ = 4022477 is a prime.

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 19 ways as a sum of consecutive naturals, for example, 3825 + ... + 4761.

Almost surely, 2^4022541 is an apocalyptic number.

It is an amenable number.

4022541 is a deficient number, since it is larger than the sum of its proper divisors (2106351).

4022541 is an equidigital number, since it uses as much as digits as its factorization.

4022541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 4022541 is about 2005.6273332800. The cubic root of 4022541 is about 159.0377268967.

Adding to 4022541 its reverse (1452204), we get a palindrome (5474745).

The spelling of 4022541 in words is "four million, twenty-two thousand, five hundred forty-one".