22324620509 has 2 divisors, whose sum is σ = 22324620510. Its totient is φ = 22324620508.

The previous prime is 22324620431. The next prime is 22324620511. The reversal of 22324620509 is 90502642322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20188147225 + 2136473284 = 142085^2 + 46222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22324620509 is a prime.

It is a super-3 number, since 3×22324620509³ (a number of 32 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 22324620511, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22324320509) 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, 11162310254 + 11162310255.

It is an arithmetic number, because the mean of its divisors is an integer number (11162310255).

Almost surely, 2^22324620509 is an apocalyptic number.

It is an amenable number.

22324620509 is a deficient number, since it is larger than the sum of its proper divisors (1).

22324620509 is an equidigital number, since it uses as much as digits as its factorization.

22324620509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 22324620509 in words is "twenty-two billion, three hundred twenty-four million, six hundred twenty thousand, five hundred nine".