22306230443 has 16 divisors (see below), whose sum is σ = 25603569600. Its totient is φ = 19036684800.

The previous prime is 22306230431. The next prime is 22306230481. The reversal of 22306230443 is 34403260322.

It is a de Polignac number, because none of the positive numbers 2^k-22306230443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22306230403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3043223 + ... + 3050543.

It is an arithmetic number, because the mean of its divisors is an integer number (1600223100).

Almost surely, 2^22306230443 is an apocalyptic number.

22306230443 is a deficient number, since it is larger than the sum of its proper divisors (3297339157).

22306230443 is a wasteful number, since it uses less digits than its factorization.

22306230443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9158.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 22306230443 its reverse (34403260322), we get a palindrome (56709490765).

The spelling of 22306230443 in words is "twenty-two billion, three hundred six million, two hundred thirty thousand, four hundred forty-three".