2022678 has 32 divisors (see below), whose sum is σ = 5137920. Its totient is φ = 577800.

The previous prime is 2022661. The next prime is 2022701. The reversal of 2022678 is 8762202.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2298 + ... + 3053.

It is an arithmetic number, because the mean of its divisors is an integer number (160560).

2^2022678 is an apocalyptic number.

2022678 is an abundant number, since it is smaller than the sum of its proper divisors (3115242).

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

2022678 is a wasteful number, since it uses less digits than its factorization.

2022678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5369 (or 5363 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2022678 is about 1422.2088454232. The cubic root of 2022678 is about 126.4665244943.

The spelling of 2022678 in words is "two million, twenty-two thousand, six hundred seventy-eight".