4043022001 has 2 divisors, whose sum is σ = 4043022002. Its totient is φ = 4043022000.

The previous prime is 4043021987. The next prime is 4043022017. The reversal of 4043022001 is 1002203404.

It is an a-pointer prime, because the next prime (4043022017) can be obtained adding 4043022001 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3996768400 + 46253601 = 63220^2 + 6801^2 .

It is a cyclic number.

It is not a de Polignac number, because 4043022001 - 2²⁵ = 4009467569 is a prime.

It is not a weakly prime, because it can be changed into another prime (4043022091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021511000 + 2021511001.

It is an arithmetic number, because the mean of its divisors is an integer number (2021511001).

Almost surely, 2^4043022001 is an apocalyptic number.

It is an amenable number.

4043022001 is a deficient number, since it is larger than the sum of its proper divisors (1).

4043022001 is an equidigital number, since it uses as much as digits as its factorization.

4043022001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4043022001 is about 63584.7623334396. The cubic root of 4043022001 is about 1593.0718669546.

Adding to 4043022001 its reverse (1002203404), we get a palindrome (5045225405).

The spelling of 4043022001 in words is "four billion, forty-three million, twenty-two thousand, one".