22022001973 has 2 divisors, whose sum is σ = 22022001974. Its totient is φ = 22022001972.

The previous prime is 22022001901. The next prime is 22022002007. The reversal of 22022001973 is 37910022022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15239161809 + 6782840164 = 123447^2 + 82358^2 .

It is a cyclic number.

It is not a de Polignac number, because 22022001973 - 2¹³ = 22021993781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22022002973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011000986 + 11011000987.

It is an arithmetic number, because the mean of its divisors is an integer number (11011000987).

Almost surely, 2^22022001973 is an apocalyptic number.

It is an amenable number.

22022001973 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022001973 is an equidigital number, since it uses as much as digits as its factorization.

22022001973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 22022001973 its reverse (37910022022), we get a palindrome (59932023995).

The spelling of 22022001973 in words is "twenty-two billion, twenty-two million, one thousand, nine hundred seventy-three".