2022563 has 4 divisors (see below), whose sum is σ = 2027088. Its totient is φ = 2018040.

The previous prime is 2022539. The next prime is 2022583. The reversal of 2022563 is 3652202.

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 2022563 - 2¹⁶ = 1957027 is a prime.

It is a super-2 number, since 2×2022563² = 8181522177938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2022583) 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 in 3 ways as a sum of consecutive naturals, for example, 1508 + ... + 2513.

It is an arithmetic number, because the mean of its divisors is an integer number (506772).

2^2022563 is an apocalyptic number.

2022563 is a deficient number, since it is larger than the sum of its proper divisors (4525).

2022563 is an equidigital number, since it uses as much as digits as its factorization.

2022563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2022563 is about 1422.1684147808. The cubic root of 2022563 is about 126.4641276841.

Adding to 2022563 its reverse (3652202), we get a palindrome (5674765).

The spelling of 2022563 in words is "two million, twenty-two thousand, five hundred sixty-three".