540022019 has 2 divisors, whose sum is σ = 540022020. Its totient is φ = 540022018.

The previous prime is 540022013. The next prime is 540022031. The reversal of 540022019 is 910220045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540022019 - 2⁸ = 540021763 is a prime.

It is a super-2 number, since 2×540022019² = 583247562009672722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 540021985 and 540022003.

It is not a weakly prime, because it can be changed into another prime (540022013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270011009 + 270011010.

It is an arithmetic number, because the mean of its divisors is an integer number (270011010).

Almost surely, 2^540022019 is an apocalyptic number.

540022019 is a deficient number, since it is larger than the sum of its proper divisors (1).

540022019 is an equidigital number, since it uses as much as digits as its factorization.

540022019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 540022019 is about 23238.3738458611. The cubic root of 540022019 is about 814.3363531172.

The spelling of 540022019 in words is "five hundred forty million, twenty-two thousand, nineteen".