22044022001 has 2 divisors, whose sum is σ = 22044022002. Its totient is φ = 22044022000.

The previous prime is 22044021959. The next prime is 22044022031. The reversal of 22044022001 is 10022044022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18703297600 + 3340724401 = 136760^2 + 57799^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22044022001 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22044022031) 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, 11022011000 + 11022011001.

It is an arithmetic number, because the mean of its divisors is an integer number (11022011001).

Almost surely, 2^22044022001 is an apocalyptic number.

It is an amenable number.

22044022001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22044022001 is an equidigital number, since it uses as much as digits as its factorization.

22044022001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22044022001 its reverse (10022044022), we get a palindrome (32066066023).

The spelling of 22044022001 in words is "twenty-two billion, forty-four million, twenty-two thousand, one".