4422981685 has 4 divisors (see below), whose sum is σ = 5307578028. Its totient is φ = 3538385344.

The previous prime is 4422981683. The next prime is 4422981701. The reversal of 4422981685 is 5861892244.

4422981685 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 694902321 + 3728079364 = 26361^2 + 61058^2 .

It is a cyclic number.

It is not a de Polignac number, because 4422981685 - 2¹ = 4422981683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4422981683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442298164 + ... + 442298173.

It is an arithmetic number, because the mean of its divisors is an integer number (1326894507).

Almost surely, 2^4422981685 is an apocalyptic number.

It is an amenable number.

4422981685 is a deficient number, since it is larger than the sum of its proper divisors (884596343).

4422981685 is an equidigital number, since it uses as much as digits as its factorization.

4422981685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884596342.

The product of its digits is 1105920, while the sum is 49.

The square root of 4422981685 is about 66505.5011634376. The cubic root of 4422981685 is about 1641.4905253684.

The spelling of 4422981685 in words is "four billion, four hundred twenty-two million, nine hundred eighty-one thousand, six hundred eighty-five".