2022638 has 16 divisors (see below), whose sum is σ = 3147120. Its totient is φ = 974400.

The previous prime is 2022619. The next prime is 2022641. The reversal of 2022638 is 8362202.

It is a Curzon number.

It is a congruent number.

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, 7058 + ... + 7338.

It is an arithmetic number, because the mean of its divisors is an integer number (196695).

2^2022638 is an apocalyptic number.

2022638 is a deficient number, since it is larger than the sum of its proper divisors (1124482).

2022638 is a wasteful number, since it uses less digits than its factorization.

2022638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2022638 is about 1422.1947827214. The cubic root of 2022638 is about 126.4656908315.

The spelling of 2022638 in words is "two million, twenty-two thousand, six hundred thirty-eight".