2022845 has 8 divisors (see below), whose sum is σ = 2648160. Its totient is φ = 1471120.

The previous prime is 2022841. The next prime is 2022863. The reversal of 2022845 is 5482202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2022845 - 2² = 2022841 is a prime.

It is a super-4 number, since 4×2022845⁴ (a number of 26 digits) contains 4444 as substring.

It is a d-powerful number, because it can be written as 2⁶ + 0 + 2¹² + 2¹⁶ + 8 + 4² + 5⁹ .

It is a self number, because there is not a number n which added to its sum of digits gives 2022845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18335 + ... + 18444.

It is an arithmetic number, because the mean of its divisors is an integer number (331020).

2^2022845 is an apocalyptic number.

It is an amenable number.

2022845 is a deficient number, since it is larger than the sum of its proper divisors (625315).

2022845 is a wasteful number, since it uses less digits than its factorization.

2022845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36795.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2022845 is about 1422.2675557011. The cubic root of 2022845 is about 126.4700049178.

The spelling of 2022845 in words is "two million, twenty-two thousand, eight hundred forty-five".