4085722147 has 4 divisors (see below), whose sum is σ = 4400008480. Its totient is φ = 3771435816.

The previous prime is 4085722073. The next prime is 4085722163. The reversal of 4085722147 is 7412275804.

4085722147 is digitally balanced in base 2, 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4085722147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4085722187) 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, 157143147 + ... + 157143172.

It is an arithmetic number, because the mean of its divisors is an integer number (1100002120).

Almost surely, 2^4085722147 is an apocalyptic number.

4085722147 is a deficient number, since it is larger than the sum of its proper divisors (314286333).

4085722147 is a wasteful number, since it uses less digits than its factorization.

4085722147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314286332.

The product of its (nonzero) digits is 125440, while the sum is 40.

The square root of 4085722147 is about 63919.6538398011. The cubic root of 4085722147 is about 1598.6606169867.

The spelling of 4085722147 in words is "four billion, eighty-five million, seven hundred twenty-two thousand, one hundred forty-seven".