550022018 has 32 divisors (see below), whose sum is σ = 1016601600. Its totient is φ = 217339200.

The previous prime is 550022017. The next prime is 550022041. The reversal of 550022018 is 810220055.

It is a junction number, because it is equal to n+sod(n) for n = 550021984 and 550022002.

It is not an unprimeable number, because it can be changed into a prime (550022017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280943 + ... + 282893.

It is an arithmetic number, because the mean of its divisors is an integer number (31768800).

Almost surely, 2^550022018 is an apocalyptic number.

550022018 is a deficient number, since it is larger than the sum of its proper divisors (466579582).

550022018 is a wasteful number, since it uses less digits than its factorization.

550022018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 550022018 is about 23452.5482197564. The cubic root of 550022018 is about 819.3322036764.

The spelling of 550022018 in words is "five hundred fifty million, twenty-two thousand, eighteen".