22122210001 has 2 divisors, whose sum is σ = 22122210002. Its totient is φ = 22122210000.

The previous prime is 22122209971. The next prime is 22122210079. The reversal of 22122210001 is 10001222122.

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., 12122010000 + 10000200001 = 110100^2 + 100001^2 .

It is a cyclic number.

It is not a de Polignac number, because 22122210001 - 2⁵ = 22122209969 is a prime.

It is not a weakly prime, because it can be changed into another prime (22122210401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061105000 + 11061105001.

It is an arithmetic number, because the mean of its divisors is an integer number (11061105001).

Almost surely, 2^22122210001 is an apocalyptic number.

It is an amenable number.

22122210001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122210001 is an equidigital number, since it uses as much as digits as its factorization.

22122210001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22122210001 its reverse (10001222122), we get a palindrome (32123432123).

The spelling of 22122210001 in words is "twenty-two billion, one hundred twenty-two million, two hundred ten thousand, one".