22072911001 has 2 divisors, whose sum is σ = 22072911002. Its totient is φ = 22072911000.

The previous prime is 22072910987. The next prime is 22072911067. The reversal of 22072911001 is 10011927022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14728249600 + 7344661401 = 121360^2 + 85701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22072911001 is a prime.

It is not a weakly prime, because it can be changed into another prime (22072911901) 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, 11036455500 + 11036455501.

It is an arithmetic number, because the mean of its divisors is an integer number (11036455501).

Almost surely, 2^22072911001 is an apocalyptic number.

It is an amenable number.

22072911001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22072911001 is an equidigital number, since it uses as much as digits as its factorization.

22072911001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 22072911001 in words is "twenty-two billion, seventy-two million, nine hundred eleven thousand, one".