388822 has 8 divisors (see below), whose sum is σ = 666576. Its totient is φ = 166632.

The previous prime is 388813. The next prime is 388823. The reversal of 388822 is 228883.

388822 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 (388823) by changing a digit.

388822 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 13873 + ... + 13900.

It is an arithmetic number, because the mean of its divisors is an integer number (83322).

2³⁸⁸⁸²² is an apocalyptic number.

388822 is a deficient number, since it is larger than the sum of its proper divisors (277754).

388822 is a wasteful number, since it uses less digits than its factorization.

388822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27782.

The product of its digits is 6144, while the sum is 31.

The square root of 388822 is about 623.5559317335. Note that the first 3 decimals coincide. The cubic root of 388822 is about 72.9878005510.

The spelling of 388822 in words is "three hundred eighty-eight thousand, eight hundred twenty-two".