550022 has 16 divisors (see below), whose sum is σ = 940032. Its totient is φ = 238920.

The previous prime is 550009. The next prime is 550027. The reversal of 550022 is 220055.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 549979 and 550006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550027) by changing a digit.

550022 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38 + ... + 1049.

It is an arithmetic number, because the mean of its divisors is an integer number (58752).

2⁵⁵⁰⁰²² is an apocalyptic number.

550022 is a deficient number, since it is larger than the sum of its proper divisors (390010).

550022 is a wasteful number, since it uses less digits than its factorization.

550022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123.

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 550022 is about 741.6346809582. The cubic root of 550022 is about 81.9332194739.

Adding to 550022 its reverse (220055), we get a palindrome (770077).

The spelling of 550022 in words is "five hundred fifty thousand, twenty-two".