4052022161 has 4 divisors (see below), whose sum is σ = 4420387824. Its totient is φ = 3683656500.

The previous prime is 4052022157. The next prime is 4052022179. The reversal of 4052022161 is 1612202504.

It is a happy number.

4052022161 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4052022161 - 2² = 4052022157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4052022151) 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, 184182815 + ... + 184182836.

It is an arithmetic number, because the mean of its divisors is an integer number (1105096956).

Almost surely, 2^4052022161 is an apocalyptic number.

It is an amenable number.

4052022161 is a deficient number, since it is larger than the sum of its proper divisors (368365663).

4052022161 is a wasteful number, since it uses less digits than its factorization.

4052022161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368365662.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 4052022161 is about 63655.4959214049. The cubic root of 4052022161 is about 1594.2531018198.

Adding to 4052022161 its reverse (1612202504), we get a palindrome (5664224665).

The spelling of 4052022161 in words is "four billion, fifty-two million, twenty-two thousand, one hundred sixty-one".