550221233022 has 32 divisors (see below), whose sum is σ = 1223535194400. Its totient is φ = 183283876224.

The previous prime is 550221233021. The next prime is 550221233033. The reversal of 550221233022 is 220332122055.

550221233022 is a `hidden beast` number, since 5 + 502 + 2 + 123 + 30 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550221233021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3341113 + ... + 3501924.

It is an arithmetic number, because the mean of its divisors is an integer number (38235474825).

Almost surely, 2^550221233022 is an apocalyptic number.

550221233022 is an abundant number, since it is smaller than the sum of its proper divisors (673313961378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550221233022 is a wasteful number, since it uses less digits than its factorization.

550221233022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6844537 (or 6844531 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 550221233022 its reverse (220332122055), we get a palindrome (770553355077).

The spelling of 550221233022 in words is "five hundred fifty billion, two hundred twenty-one million, two hundred thirty-three thousand, twenty-two".