1385822 has 8 divisors (see below), whose sum is σ = 2188200. Its totient is φ = 656424.

The previous prime is 1385809. The next prime is 1385827. The reversal of 1385822 is 2285831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385827) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 18197 + ... + 18272.

It is an arithmetic number, because the mean of its divisors is an integer number (273525).

2^1385822 is an apocalyptic number.

1385822 is a deficient number, since it is larger than the sum of its proper divisors (802378).

1385822 is a wasteful number, since it uses less digits than its factorization.

1385822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36490.

The product of its digits is 3840, while the sum is 29.

The square root of 1385822 is about 1177.2094121268. The cubic root of 1385822 is about 111.4899747668.

Subtracting 1385822 from its reverse (2285831), we obtain a palindrome (900009).

The spelling of 1385822 in words is "one million, three hundred eighty-five thousand, eight hundred twenty-two".