550220422 has 8 divisors (see below), whose sum is σ = 853790400. Its totient is φ = 265623624.

The previous prime is 550220381. The next prime is 550220423. The reversal of 550220422 is 224022055.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 550220393 and 550220402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550220423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4743222 + ... + 4743337.

It is an arithmetic number, because the mean of its divisors is an integer number (106723800).

Almost surely, 2^550220422 is an apocalyptic number.

550220422 is a deficient number, since it is larger than the sum of its proper divisors (303569978).

550220422 is a wasteful number, since it uses less digits than its factorization.

550220422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9486590.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 550220422 is about 23456.7777411988. Note that the first 4 decimals coincide. The cubic root of 550220422 is about 819.4307083660.

Adding to 550220422 its reverse (224022055), we get a palindrome (774242477).

The spelling of 550220422 in words is "five hundred fifty million, two hundred twenty thousand, four hundred twenty-two".