1938022 has 4 divisors (see below), whose sum is σ = 2907036. Its totient is φ = 969010.

The previous prime is 1938011. The next prime is 1938067. The reversal of 1938022 is 2208391.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2208391 = 23 ⋅96017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484504 + ... + 484507.

It is an arithmetic number, because the mean of its divisors is an integer number (726759).

2^1938022 is an apocalyptic number.

1938022 is a deficient number, since it is larger than the sum of its proper divisors (969014).

1938022 is an equidigital number, since it uses as much as digits as its factorization.

1938022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969013.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1938022 is about 1392.1285860150. The cubic root of 1938022 is about 124.6769685914.

The spelling of 1938022 in words is "one million, nine hundred thirty-eight thousand, twenty-two".