22006826729 has 2 divisors, whose sum is σ = 22006826730. Its totient is φ = 22006826728.

The previous prime is 22006826713. The next prime is 22006826749. The reversal of 22006826729 is 92762860022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13848582400 + 8158244329 = 117680^2 + 90323^2 .

It is a cyclic number.

It is not a de Polignac number, because 22006826729 - 2⁴ = 22006826713 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22006826729.

It is not a weakly prime, because it can be changed into another prime (22006826749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11003413364 + 11003413365.

It is an arithmetic number, because the mean of its divisors is an integer number (11003413365).

Almost surely, 2^22006826729 is an apocalyptic number.

It is an amenable number.

22006826729 is a deficient number, since it is larger than the sum of its proper divisors (1).

22006826729 is an equidigital number, since it uses as much as digits as its factorization.

22006826729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 22006826729 in words is "twenty-two billion, six million, eight hundred twenty-six thousand, seven hundred twenty-nine".