2022605 has 24 divisors (see below), whose sum is σ = 2780232. Its totient is φ = 1403136.

The previous prime is 2022583. The next prime is 2022613. The reversal of 2022605 is 5062202.

It can be written as a sum of positive squares in 12 ways, for example, as 316969 + 1705636 = 563^2 + 1306^2 .

It is not a de Polignac number, because 2022605 - 2¹⁶ = 1957069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54647 + ... + 54683.

It is an arithmetic number, because the mean of its divisors is an integer number (115843).

2^2022605 is an apocalyptic number.

It is an amenable number.

2022605 is a deficient number, since it is larger than the sum of its proper divisors (757627).

2022605 is a wasteful number, since it uses less digits than its factorization.

2022605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2022605 is about 1422.1831808878. The cubic root of 2022605 is about 126.4650030514.

Adding to 2022605 its reverse (5062202), we get a palindrome (7084807).

The spelling of 2022605 in words is "two million, twenty-two thousand, six hundred five".