550422213 has 16 divisors (see below), whose sum is σ = 801893952. Its totient is φ = 333056000.

The previous prime is 550422179. The next prime is 550422221. The reversal of 550422213 is 312224055.

It is a cyclic number.

It is not a de Polignac number, because 550422213 - 2⁹ = 550421701 is a prime.

It is a super-2 number, since 2×550422213² = 605929225127634738, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550422113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8143 + ... + 34163.

It is an arithmetic number, because the mean of its divisors is an integer number (50118372).

Almost surely, 2^550422213 is an apocalyptic number.

It is an amenable number.

550422213 is a deficient number, since it is larger than the sum of its proper divisors (251471739).

550422213 is a wasteful number, since it uses less digits than its factorization.

550422213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26676.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 550422213 is about 23461.0786836411. The cubic root of 550422213 is about 819.5308703649.

Adding to 550422213 its reverse (312224055), we get a palindrome (862646268).

The spelling of 550422213 in words is "five hundred fifty million, four hundred twenty-two thousand, two hundred thirteen".