522023019 has 60 divisors (see below), whose sum is σ = 855022056. Its totient is φ = 283246656.

The previous prime is 522022999. The next prime is 522023069. The reversal of 522023019 is 910320225.

It is not a de Polignac number, because 522023019 - 2⁸ = 522022763 is a prime.

It is a super-2 number, since 2×522023019² = 545016064731748722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 522023019.

It is not an unprimeable number, because it can be changed into a prime (522023069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3810319 + ... + 3810455.

Almost surely, 2^522023019 is an apocalyptic number.

522023019 is a deficient number, since it is larger than the sum of its proper divisors (332999037).

522023019 is an equidigital number, since it uses as much as digits as its factorization.

522023019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 522023019 is about 22847.8230691679. The cubic root of 522023019 is about 805.1866233984.

The spelling of 522023019 in words is "five hundred twenty-two million, twenty-three thousand, nineteen".