22220350505 has 16 divisors (see below), whose sum is σ = 27243889920. Its totient is φ = 17390305152.

The previous prime is 22220350487. The next prime is 22220350513. The reversal of 22220350505 is 50505302222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22220350505 - 2¹² = 22220346409 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538706 + ... + 578484.

It is an arithmetic number, because the mean of its divisors is an integer number (1702743120).

Almost surely, 2^22220350505 is an apocalyptic number.

It is an amenable number.

22220350505 is a deficient number, since it is larger than the sum of its proper divisors (5023539415).

22220350505 is a wasteful number, since it uses less digits than its factorization.

22220350505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42208.

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

Adding to 22220350505 its reverse (50505302222), we get a palindrome (72725652727).

The spelling of 22220350505 in words is "twenty-two billion, two hundred twenty million, three hundred fifty thousand, five hundred five".