2022655 has 4 divisors (see below), whose sum is σ = 2427192. Its totient is φ = 1618120.

The previous prime is 2022649. The next prime is 2022659. The reversal of 2022655 is 5562202.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-2022655 is a prime.

It is a super-2 number, since 2×2022655² = 8182266498050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202261 + ... + 202270.

It is an arithmetic number, because the mean of its divisors is an integer number (606798).

2^2022655 is an apocalyptic number.

2022655 is a deficient number, since it is larger than the sum of its proper divisors (404537).

2022655 is an equidigital number, since it uses as much as digits as its factorization.

2022655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404536.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2022655 is about 1422.2007593867. The cubic root of 2022655 is about 126.4660451395.

Adding to 2022655 its reverse (5562202), we get a palindrome (7584857).

The spelling of 2022655 in words is "two million, twenty-two thousand, six hundred fifty-five".