378822 has 16 divisors (see below), whose sum is σ = 797760. Its totient is φ = 119592.

The previous prime is 378821. The next prime is 378823. The reversal of 378822 is 228873.

378822 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (378821) and next prime (378823).

It is a super-2 number, since 2×378822² = 287012215368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 378822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378821) 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 7 ways as a sum of consecutive naturals, for example, 1548 + ... + 1775.

It is an arithmetic number, because the mean of its divisors is an integer number (49860).

2³⁷⁸⁸²² is an apocalyptic number.

378822 is an abundant number, since it is smaller than the sum of its proper divisors (418938).

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

378822 is a wasteful number, since it uses less digits than its factorization.

378822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347.

The product of its digits is 5376, while the sum is 30.

The square root of 378822 is about 615.4851744762. The cubic root of 378822 is about 72.3566410102.

The spelling of 378822 in words is "three hundred seventy-eight thousand, eight hundred twenty-two".