22543230355 has 16 divisors (see below), whose sum is σ = 27423212544. Its totient is φ = 17787748320.

The previous prime is 22543230329. The next prime is 22543230379. The reversal of 22543230355 is 55303234522.

It is a happy number.

It is not a de Polignac number, because 22543230355 - 2¹⁷ = 22543099283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22543230355.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207160 + ... + 296650.

It is an arithmetic number, because the mean of its divisors is an integer number (1713950784).

Almost surely, 2^22543230355 is an apocalyptic number.

22543230355 is a deficient number, since it is larger than the sum of its proper divisors (4879982189).

22543230355 is an equidigital number, since it uses as much as digits as its factorization.

22543230355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90186.

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 22543230355 its reverse (55303234522), we get a palindrome (77846464877).

The spelling of 22543230355 in words is "twenty-two billion, five hundred forty-three million, two hundred thirty thousand, three hundred fifty-five".