550105222 has 4 divisors (see below), whose sum is σ = 825157836. Its totient is φ = 275052610.

The previous prime is 550105189. The next prime is 550105229. The reversal of 550105222 is 222501055.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 550105193 and 550105202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550105229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137526304 + ... + 137526307.

It is an arithmetic number, because the mean of its divisors is an integer number (206289459).

Almost surely, 2^550105222 is an apocalyptic number.

550105222 is a deficient number, since it is larger than the sum of its proper divisors (275052614).

550105222 is a wasteful number, since it uses less digits than its factorization.

550105222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275052613.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 550105222 is about 23454.3220324101. The cubic root of 550105222 is about 819.3735161313.

Adding to 550105222 its reverse (222501055), we get a palindrome (772606277).

The spelling of 550105222 in words is "five hundred fifty million, one hundred five thousand, two hundred twenty-two".