22740310909 has 2 divisors, whose sum is σ = 22740310910. Its totient is φ = 22740310908.

The previous prime is 22740310843. The next prime is 22740310919. The reversal of 22740310909 is 90901304722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14597955684 + 8142355225 = 120822^2 + 90235^2 .

It is a cyclic number.

It is not a de Polignac number, because 22740310909 - 2¹¹ = 22740308861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22740310919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11370155454 + 11370155455.

It is an arithmetic number, because the mean of its divisors is an integer number (11370155455).

Almost surely, 2^22740310909 is an apocalyptic number.

It is an amenable number.

22740310909 is a deficient number, since it is larger than the sum of its proper divisors (1).

22740310909 is an equidigital number, since it uses as much as digits as its factorization.

22740310909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 22740310909 in words is "twenty-two billion, seven hundred forty million, three hundred ten thousand, nine hundred nine".