22736643019 has 2 divisors, whose sum is σ = 22736643020. Its totient is φ = 22736643018.

The previous prime is 22736642993. The next prime is 22736643023. The reversal of 22736643019 is 91034663722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22736643019 - 2⁵ = 22736642987 is a prime.

It is a super-2 number, since 2×22736643019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22736643089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11368321509 + 11368321510.

It is an arithmetic number, because the mean of its divisors is an integer number (11368321510).

Almost surely, 2^22736643019 is an apocalyptic number.

22736643019 is a deficient number, since it is larger than the sum of its proper divisors (1).

22736643019 is an equidigital number, since it uses as much as digits as its factorization.

22736643019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 22736643019 in words is "twenty-two billion, seven hundred thirty-six million, six hundred forty-three thousand, nineteen".