4125681822 has 16 divisors (see below), whose sum is σ = 8736738192. Its totient is φ = 1294331520.

The previous prime is 4125681803. The next prime is 4125681829. The reversal of 4125681822 is 2281865214.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4125681829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20223829 + ... + 20224032.

It is an arithmetic number, because the mean of its divisors is an integer number (546046137).

Almost surely, 2^4125681822 is an apocalyptic number.

4125681822 is an abundant number, since it is smaller than the sum of its proper divisors (4611056370).

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

4125681822 is a wasteful number, since it uses less digits than its factorization.

4125681822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40447883.

The product of its digits is 61440, while the sum is 39.

The square root of 4125681822 is about 64231.4706510757. The cubic root of 4125681822 is about 1603.8555224520.

The spelling of 4125681822 in words is "four billion, one hundred twenty-five million, six hundred eighty-one thousand, eight hundred twenty-two".