22234436309 has 2 divisors, whose sum is σ = 22234436310. Its totient is φ = 22234436308.

The previous prime is 22234436267. The next prime is 22234436339. The reversal of 22234436309 is 90363443222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21053139409 + 1181296900 = 145097^2 + 34370^2 .

It is a cyclic number.

It is not a de Polignac number, because 22234436309 - 2¹⁶ = 22234370773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22234436339) 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, 11117218154 + 11117218155.

It is an arithmetic number, because the mean of its divisors is an integer number (11117218155).

Almost surely, 2^22234436309 is an apocalyptic number.

It is an amenable number.

22234436309 is a deficient number, since it is larger than the sum of its proper divisors (1).

22234436309 is an equidigital number, since it uses as much as digits as its factorization.

22234436309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 22234436309 in words is "twenty-two billion, two hundred thirty-four million, four hundred thirty-six thousand, three hundred nine".