22001001073 has 2 divisors, whose sum is σ = 22001001074. Its totient is φ = 22001001072.

The previous prime is 22001001067. The next prime is 22001001091. The reversal of 22001001073 is 37010010022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19391119504 + 2609881569 = 139252^2 + 51087^2 .

It is a cyclic number.

It is not a de Polignac number, because 22001001073 - 2⁹ = 22001000561 is a prime.

It is not a weakly prime, because it can be changed into another prime (22001001023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000500536 + 11000500537.

It is an arithmetic number, because the mean of its divisors is an integer number (11000500537).

Almost surely, 2^22001001073 is an apocalyptic number.

It is an amenable number.

22001001073 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001001073 is an equidigital number, since it uses as much as digits as its factorization.

22001001073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 16.

Adding to 22001001073 its reverse (37010010022), we get a palindrome (59011011095).

The spelling of 22001001073 in words is "twenty-two billion, one million, one thousand, seventy-three".