4001022019 has 2 divisors, whose sum is σ = 4001022020. Its totient is φ = 4001022018.

The previous prime is 4001022013. The next prime is 4001022031. The reversal of 4001022019 is 9102201004.

4001022019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4001022019 - 2⁵ = 4001021987 is a prime.

It is a super-2 number, since 2×4001022019² = 32016354393045672722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4001021987 and 4001022005.

It is not a weakly prime, because it can be changed into another prime (4001022013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000511009 + 2000511010.

It is an arithmetic number, because the mean of its divisors is an integer number (2000511010).

Almost surely, 2^4001022019 is an apocalyptic number.

4001022019 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001022019 is an equidigital number, since it uses as much as digits as its factorization.

4001022019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 4001022019 is about 63253.6324569585. The cubic root of 4001022019 is about 1587.5362366251.

The spelling of 4001022019 in words is "four billion, one million, twenty-two thousand, nineteen".