2022539 has 2 divisors, whose sum is σ = 2022540. Its totient is φ = 2022538.

The previous prime is 2022497. The next prime is 2022583. The reversal of 2022539 is 9352202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2022539 - 2⁸ = 2022283 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2022239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011269 + 1011270.

It is an arithmetic number, because the mean of its divisors is an integer number (1011270).

2^2022539 is an apocalyptic number.

2022539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022539 is an equidigital number, since it uses as much as digits as its factorization.

2022539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2022539 is about 1422.1599769365. The cubic root of 2022539 is about 126.4636274687.

The spelling of 2022539 in words is "two million, twenty-two thousand, five hundred thirty-nine".