4005422851 has 4 divisors (see below), whose sum is σ = 4216234600. Its totient is φ = 3794611104.

The previous prime is 4005422833. The next prime is 4005422873. The reversal of 4005422851 is 1582245004.

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

It is a cyclic number.

It is not a de Polignac number, because 4005422851 - 2¹⁵ = 4005390083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4005422801) 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, 105405846 + ... + 105405883.

It is an arithmetic number, because the mean of its divisors is an integer number (1054058650).

Almost surely, 2^4005422851 is an apocalyptic number.

4005422851 is a deficient number, since it is larger than the sum of its proper divisors (210811749).

4005422851 is a wasteful number, since it uses less digits than its factorization.

4005422851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210811748.

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 4005422851 is about 63288.4100843116. The cubic root of 4005422851 is about 1588.1180813190.

Adding to 4005422851 its reverse (1582245004), we get a palindrome (5587667855).

The spelling of 4005422851 in words is "four billion, five million, four hundred twenty-two thousand, eight hundred fifty-one".