22130072243 has 2 divisors, whose sum is σ = 22130072244. Its totient is φ = 22130072242.

The previous prime is 22130072221. The next prime is 22130072281. The reversal of 22130072243 is 34227003122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22130072243 - 2¹⁸ = 22129810099 is a prime.

It is not a weakly prime, because it can be changed into another prime (22130072213) 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 as a sum of consecutive naturals, namely, 11065036121 + 11065036122.

It is an arithmetic number, because the mean of its divisors is an integer number (11065036122).

Almost surely, 2^22130072243 is an apocalyptic number.

22130072243 is a deficient number, since it is larger than the sum of its proper divisors (1).

22130072243 is an equidigital number, since it uses as much as digits as its factorization.

22130072243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 22130072243 its reverse (34227003122), we get a palindrome (56357075365).

The spelling of 22130072243 in words is "twenty-two billion, one hundred thirty million, seventy-two thousand, two hundred forty-three".