2022564 has 24 divisors (see below), whose sum is σ = 4872448. Its totient is φ = 652320.

The previous prime is 2022539. The next prime is 2022583. The reversal of 2022564 is 4652202.

It is a self number, because there is not a number n which added to its sum of digits gives 2022564.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2347 + ... + 3090.

2^2022564 is an apocalyptic number.

It is an amenable number.

2022564 is an abundant number, since it is smaller than the sum of its proper divisors (2849884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2022564 is a wasteful number, since it uses less digits than its factorization.

2022564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475 (or 5473 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2022564 is about 1422.1687663565. The cubic root of 2022564 is about 126.4641485263.

Adding to 2022564 its reverse (4652202), we get a palindrome (6674766).

The spelling of 2022564 in words is "two million, twenty-two thousand, five hundred sixty-four".