550331222 has 16 divisors (see below), whose sum is σ = 955368960. Its totient is φ = 232870248.

The previous prime is 550331213. The next prime is 550331227. The reversal of 550331222 is 222133055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550331227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247688 + ... + 249899.

It is an arithmetic number, because the mean of its divisors is an integer number (59710560).

Almost surely, 2^550331222 is an apocalyptic number.

550331222 is a deficient number, since it is larger than the sum of its proper divisors (405037738).

550331222 is a wasteful number, since it uses less digits than its factorization.

550331222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497675.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 550331222 is about 23459.1394130305. The cubic root of 550331222 is about 819.4857086441.

Adding to 550331222 its reverse (222133055), we get a palindrome (772464277).

The spelling of 550331222 in words is "five hundred fifty million, three hundred thirty-one thousand, two hundred twenty-two".