22554211143 has 4 divisors (see below), whose sum is σ = 30072281528. Its totient is φ = 15036140760.

The previous prime is 22554211103. The next prime is 22554211153. The reversal of 22554211143 is 34111245522.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22554211143 - 2¹⁸ = 22553948999 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 22554211143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22554211103) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3759035188 + ... + 3759035193.

It is an arithmetic number, because the mean of its divisors is an integer number (7518070382).

Almost surely, 2^22554211143 is an apocalyptic number.

22554211143 is a deficient number, since it is larger than the sum of its proper divisors (7518070385).

22554211143 is an equidigital number, since it uses as much as digits as its factorization.

22554211143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7518070384.

The product of its digits is 9600, while the sum is 30.

Adding to 22554211143 its reverse (34111245522), we get a palindrome (56665456665).

The spelling of 22554211143 in words is "twenty-two billion, five hundred fifty-four million, two hundred eleven thousand, one hundred forty-three".