4022549 has 2 divisors, whose sum is σ = 4022550. Its totient is φ = 4022548.

The previous prime is 4022507. The next prime is 4022563. The reversal of 4022549 is 9452204.

4022549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2745649 + 1276900 = 1657^2 + 1130^2 .

It is a cyclic number.

It is not a de Polignac number, because 4022549 - 2¹⁶ = 3957013 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4022569) 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 as a sum of consecutive naturals, namely, 2011274 + 2011275.

It is an arithmetic number, because the mean of its divisors is an integer number (2011275).

Almost surely, 2^4022549 is an apocalyptic number.

It is an amenable number.

4022549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4022549 is an equidigital number, since it uses as much as digits as its factorization.

4022549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 4022549 is about 2005.6293276675. The cubic root of 4022549 is about 159.0378323276.

The spelling of 4022549 in words is "four million, twenty-two thousand, five hundred forty-nine".