22022305550 has 48 divisors (see below), whose sum is σ = 46851540000. Its totient is φ = 7544309760.

The previous prime is 22022305537. The next prime is 22022305619. The reversal of 22022305550 is 5550322022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411962 + ... + 462338.

It is an arithmetic number, because the mean of its divisors is an integer number (976073750).

Almost surely, 2^22022305550 is an apocalyptic number.

22022305550 is an abundant number, since it is smaller than the sum of its proper divisors (24829234450).

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

22022305550 is a wasteful number, since it uses less digits than its factorization.

22022305550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51645 (or 51640 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

Adding to 22022305550 its reverse (5550322022), we get a palindrome (27572627572).

The spelling of 22022305550 in words is "twenty-two billion, twenty-two million, three hundred five thousand, five hundred fifty".