22707750809 has 4 divisors (see below), whose sum is σ = 22737127716. Its totient is φ = 22678373904.

The previous prime is 22707750787. The next prime is 22707750823. The reversal of 22707750809 is 90805770722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90805770722 = 2 ⋅45402885361.

It can be written as a sum of positive squares in 2 ways, for example, as 1703625625 + 21004125184 = 41275^2 + 144928^2 .

It is a cyclic number.

It is not a de Polignac number, because 22707750809 - 2⁸ = 22707750553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22707750869) 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 in 3 ways as a sum of consecutive naturals, for example, 14687294 + ... + 14688839.

It is an arithmetic number, because the mean of its divisors is an integer number (5684281929).

Almost surely, 2^22707750809 is an apocalyptic number.

It is an amenable number.

22707750809 is a deficient number, since it is larger than the sum of its proper divisors (29376907).

22707750809 is an equidigital number, since it uses as much as digits as its factorization.

22707750809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29376906.

The product of its (nonzero) digits is 493920, while the sum is 47.

The spelling of 22707750809 in words is "twenty-two billion, seven hundred seven million, seven hundred fifty thousand, eight hundred nine".