43822134 has 48 divisors (see below), whose sum is σ = 101167248. Its totient is φ = 14206752.

The previous prime is 43822109. The next prime is 43822139. The reversal of 43822134 is 43122834.

43822134 is a `hidden beast` number, since 438 + 221 + 3 + 4 = 666.

43822134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 43822098 and 43822107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43822139) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 16764 + ... + 19200.

It is an arithmetic number, because the mean of its divisors is an integer number (2107651).

Almost surely, 2^43822134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43822134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50583624).

43822134 is an abundant number, since it is smaller than the sum of its proper divisors (57345114).

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

43822134 is a wasteful number, since it uses less digits than its factorization.

43822134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491 (or 2479 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 43822134 is about 6619.8288497513. The cubic root of 43822134 is about 352.5584873526.

Adding to 43822134 its reverse (43122834), we get a palindrome (86944968).

It can be divided in two parts, 43822 and 134, that added together give a triangular number (43956 = T₂₉₆).

The spelling of 43822134 in words is "forty-three million, eight hundred twenty-two thousand, one hundred thirty-four".