22122201001 has 2 divisors, whose sum is σ = 22122201002. Its totient is φ = 22122201000.

The previous prime is 22122200987. The next prime is 22122201037. The reversal of 22122201001 is 10010222122.

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., 17344626601 + 4777574400 = 131699^2 + 69120^2 .

It is a cyclic number.

It is not a de Polignac number, because 22122201001 - 2²⁹ = 21585330089 is a prime.

It is not a weakly prime, because it can be changed into another prime (22122501001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061100500 + 11061100501.

It is an arithmetic number, because the mean of its divisors is an integer number (11061100501).

Almost surely, 2^22122201001 is an apocalyptic number.

It is an amenable number.

22122201001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122201001 is an equidigital number, since it uses as much as digits as its factorization.

22122201001 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 22122201001 its reverse (10010222122), we get a palindrome (32132423123).

The spelling of 22122201001 in words is "twenty-two billion, one hundred twenty-two million, two hundred one thousand, one".